Police Fire Rubber Bullets at South Africa Farm Strikers

DE DOORNS, South Africa (Reuters) - Police fired rubber bullets to disperse hundreds of striking farm workers in South Africa's prime grape-growing region on Wednesday after a protest for higher wages turned violent.

Scores of police clad in riot gear fired rubber bullets at the strikers, who hurled stones from behind barricades of burning tires, according to a Reuters reporter on the scene in De Doorns, a farming town 100 km (60 miles) east of Cape Town.

The strike in the Western Cape, also home to South Africa's multi-billion dollar wine industry, restarted on Wednesday after being suspended in December, when warehouses were set on fire and at least two workers died in clashes with police.

The farm workers, many of them black seasonal hires employed to pick and pack fruit, want their minimum daily wage of 69 rand ($8) more than doubled to 150 rand.

(Reporting by Wendell Roelf; Writing by David Dolan; Editing by Ed Cropley)

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Panasonic considers headcount savings, asset sales in revival plan

LAS VEGAS (Reuters) – Japan‘s Panasonic Corp may see its headcount fall further and may sell non-core money-making business units to raise cash, president Kazuhiro Tsuga told reporters at the CES consumer electronics show in Las Vegas on Tuesday.

Hammered by competition from South Korean rivals such as Samsung Electronics, Panasonic may also squeeze wages and seek joint ventures in its semiconductors and other struggling operations in a bid to rekindle profit growth, Tsuga said.

Shares in Panasonic slipped 1.4 percent to a two-week low in Tokyo morning trade, compared to a 0.4 percent increase on the benchmark Nikkei average.

The Panasonic chief said in an earlier keynote speech he would pursue strategies to expand business-to-business sales of car batteries, in-flight entertainment systems, hydrogen cells, solar panels and LED lighting.

Japan’s share of the world’s flat panel TV market this year likely contracted to 31 percent compared with 41 percent in 2010, according to the Japan Electronics and Information Technology Industries Association.

Panasonic earlier unveiled a prototype of the world’s largest organic light-emitting display screen in a show of technological one-upmanship with its South Korean rivals Samsung and LG Electronics Inc.

Sony Corp, which is cooperating with Panasonic in OLED technology, unwrapped on Monday its own 56-inch ultra high-definition model.

Tsuga, who heads Japan’s biggest commercial employer with 300,000 staff, is also pursuing a niche strategy and bolstering the company’s appliance business in a bid to capture more profitable markets while the likes of Samsung and Apple Inc slug it out in mass-market consumer electronics.

The executive has promised to deliver the details of the revival plan by the end of March, when he plans to reorganize 88 businesses into 56 units.

So far he has said that businesses that fail to achieve a 5 percent operating margin within two years will be shuttered or sold. Sales of the weakest ones may start next business year. Panasonic in the year to March 31 is forecasting a net loss of $ 8.9 billion.

(Reporting by Tim Kelly; Editing by Paul Tait and Muralikumar Anantharaman)

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Judgment day for Bonds, Clemens, Sosa at Hall

NEW YORK (AP) — Judgment day has arrived for Barry Bonds, Roger Clemens and Sammy Sosa to find out their Hall of Fame fates.

With the cloud of steroids shrouding many candidacies, baseball writers may fail for the only the second time in more than four decades to elect anyone to the Hall.

About 600 people are eligible to vote in the BBWAA election, all members of the organization for 10 consecutive years at any point. Results were to be announced at 2 p.m. EST Wednesday, with the focus on first-time eligibles that include Bonds, baseball's only seven-time Most Valuable Player, and Clemens, the only seven-time Cy Young Award winner.

Since 1965, the only years the writers didn't elect a candidate were when Yogi Berra topped the 1971 vote by appearing on 67 percent of the ballots cast and when Phil Niekro headed the 1996 ballot at 68 percent. Both were chosen the following years when they achieved the 75 percent necessary for election.

"It really would be a shame, especially since the other people going in this year are not among the living, which will make for a rather strange ceremony," said the San Francisco Chronicle's Susan Slusser, president of the Baseball Writers' Association of America.

Three inductees were chosen last month by the 16-member panel considering individuals from the era before integration in 1946: Yankees owner Jacob Ruppert, umpire Hank O'Day and barehanded catcher Deacon White. They will be enshrined during a ceremony at Cooperstown on July 28.

Also on the ballot for the first time are Sosa and Mike Piazza, power hitters whose statistics have been questioned because of the Steroids Era, and Craig Biggio, 20th on the career list with 3,060 hits — all for the Houston Astros. Curt Schilling, 11-2 with a 2.23 ERA in postseason play, is another ballot rookie.

The Hall was prepared to hold a news conference Thursday with any electees. Or to not have one.

Biggio wasn't sure whether the controversy over this year's ballot would keep all candidates out.

"All I know is that for this organization I did everything they ever asked me to do and I'm proud about it, so hopefully, the writers feel strongly, they liked what they saw, and we'll see what happens," Biggio said on Nov. 28, the day the ballot was announced.

Jane Forbes Clark, the Hall's chairman, said last year she was not troubled by voters weighing how to evaluate players in the era of performance-enhancing drugs.

"I think the museum is very comfortable with the decisions that the baseball writers make," she said. "And so it's not a bad debate by any means."

Bonds has denied knowingly using performance-enhancing drugs and was convicted of one count of obstruction of justice for giving an evasive answer in 2003 to a grand jury investigating PEDs. Clemens was acquitted of perjury charges stemming from congressional testimony during which he denied using PEDs.

Sosa, who finished with 609 home runs, was among those who tested positive in MLB's 2003 anonymous survey, The New York Times reported in 2009. He told a congressional committee in 2005 that he never took illegal performance-enhancing drugs.

The BBWAA election rules say "voting shall be based upon the player's record, playing ability, integrity, sportsmanship, character, and contributions to the team(s) on which the player played."

"Steroid or HGH use is cheating, plain and simple," ESPN.com's Wallace Matthews wrote. "And by definition, cheaters lack integrity, sportsmanship and character. Strike one, strike two, strike three."

Several holdovers from last year remain on the 37-player ballot, with top candidates including Jack Morris (67 percent), Jeff Bagwell (56 percent), Lee Smith (51 percent) and Tim Raines (49 percent).

When The Associated Press surveyed 112 eligible voters in late November, Bonds received 45 percent support among voters who expressed an opinion, Clemens 43 percent and Sosa 18 percent. The Baseball Think Factory website compiled votes by writers who made their opinions public and with 159 ballots had everyone falling short. Biggio was at 69 percent, followed by Morris (63), Bagwell (61), Raines (61), Piazza (60), Bonds (43) and Clemens (43).

Morris finished second last year when Barry Larkin was elected and is in his 14th and next-to-last year of eligibility. He could become the player with the highest-percentage of the vote who is not in the Hall, a mark currently held by Gil Hodges at 63 percent in 1983.

Several players who fell just short in the BBWAA balloting later were elected by either the Veterans Committee or Old-Timers' Committee: Nellie Fox (74.7 percent on the 1985 BBWAA ballot), Jim Bunning (74.2 percent in 1988), Orlando Cepeda (73.6 percent in 1994) and Frank Chance (72.5 percent in 1945).

Ace of three World Series winners, Morris finished with 254 victories and was the winningest pitcher of the 1980s. His 3.90 ERA, however, is higher than that of any Hall of Famer. Morris will be joined on next year's ballot by Greg Maddux and Tom Glavine, both 300-game winners.

If no one is elected this year, there could be a logjam in 2014. Voters may select up to 10 players.

The only certainty is the Hall is pleased with the writers' process.

"While the BBWAA does the actual voting, it only does so at the request of the Hall of Fame," said the Los Angeles Times' Bill Shaikin, the organization's past president. "If the Hall of Fame is troubled, certainly the Hall could make alternate arrangements."

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Recipes for Health: Cauliflower and Tuna Salad — Recipes for Health

Andrew Scrivani for The New York Times

I have added tuna to a classic Italian antipasto of cauliflower and capers dressed with vinegar and olive oil. For the best results give the cauliflower lots of time to marinate.

1 large or 2 small or medium cauliflowers, broken into small florets

1 5-ounce can water-packed light (not albacore) tuna, drained

1 plump garlic clove, minced or pureéd

1/3 cup chopped flat-leaf parsley

3 tablespoons capers, drained and rinsed

1 tablespoon fresh lemon juice

3 tablespoons sherry vinegar or champagne vinegar

6 tablespoons extra virgin olive oil

Salt and freshly ground pepper

1. Place the cauliflower in a steaming basket over 1 inch of boiling water, cover and steam 1 minute. Lift the lid for 15 seconds, then cover again and steam for 5 to 8 minutes, until tender. Refresh with cold water, then drain on paper towels.

2. In a large bowl, break up the tuna fish and add the cauliflower.

3. In a small bowl or measuring cup, mix together the garlic, parsley, capers, lemon juice, vinegar, and olive oil. Season generously with salt and pepper. Add the cauliflower and toss together. Marinate, stirring from time to time, for 30 minutes if possible before serving. Serve warm, cold, or at room temperature.

Yield: Serves 6 as a starter or side dish

Advance preparation: You can make this up to a day ahead, but omit the parsley until shortly before serving so that it doesn’t fade. It keeps well in the refrigerator for up to 5 days.

Nutritional information per serving: 188 calories; 15 grams fat; 2 grams saturated fat; 2 grams polyunsaturated fat; 10 grams monounsaturated fat; 10 milligrams cholesterol; 8 grams carbohydrates; 3 grams dietary fiber; 261 milligrams sodium (does not include salt to taste); 9 grams protein

Martha Rose Shulman is the author of “The Very Best of Recipes for Health.”

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Online Banking Attacks Were Work of Iran, U.S. Officials Say

SAN FRANCISCO — The attackers hit one American bank after the next. As in so many previous attacks, dozens of online banking sites slowed, hiccupped or ground to a halt before recovering several minutes later.

Daniel Rosenbaum for The New York Times

James A. Lewis of the Center for Strategic and International Studies in Washington believes that recent online attacks on American banks have been the work of Iran.

But there was something disturbingly different about the wave of online attacks on American banks in recent weeks. Security researchers say that instead of exploiting individual computers, the attackers engineered networks of computers in data centers, transforming the online equivalent of a few yapping Chihuahuas into a pack of fire-breathing Godzillas.

The skill required to carry out attacks on this scale has convinced United States government officials and security researchers that they are the work of Iran, most likely in retaliation for economic sanctions and online attacks by the United States.

“There is no doubt within the U.S. government that Iran is behind these attacks,” said James A. Lewis, a former official in the State and Commerce Departments and a computer security expert at the Center for Strategic and International Studies in Washington.

Mr. Lewis said the amount of traffic flooding American banking sites was “multiple times” the amount that Russia directed at Estonia in a monthlong online assault in 2007 that nearly crippled the Baltic nation.

American officials have not offered any technical evidence to back up their claims, but computer security experts say the recent attacks showed a level of sophistication far beyond that of amateur hackers. Also, the hackers chose to pursue disruption, not money: another earmark of state-sponsored attacks, the experts said.

“The scale, the scope and the effectiveness of these attacks have been unprecedented,” said Carl Herberger, vice president of security solutions at Radware, a security firm that has been investigating the attacks on behalf of banks and cloud service providers. “There have never been this many financial institutions under this much duress.”

Since September, intruders have caused major disruptions to the online banking sites of Bank of America, Citigroup, Wells Fargo, U.S. Bancorp, PNC, Capital One, Fifth Third Bank, BB&T and HSBC.

They employed DDoS attacks, or distributed denial of service attacks, named because hackers deny customers service by directing large volumes of traffic to a site until it collapses. No bank accounts were breached and no customers’ money was taken.

By using data centers, the attackers are simply keeping up with the times. Companies and consumers are increasingly conducting their business over large-scale “clouds” of hundreds, even thousands, of networked computer servers.

These clouds are run by Amazon and Google, but also by many smaller players who commonly rent them to other companies. It appears the hackers remotely hijacked some of these clouds and used the computing power to take down American banking sites.

“There’s a sense now that attackers are crafting their own private clouds,” either by creating networks of individual machines or by stealing resources wholesale from poorly maintained corporate clouds, said John Kindervag, an analyst at Forrester Research.

How, exactly, attackers are hijacking data centers is still a mystery. Making matters more complex, they have simultaneously introduced another weapon: encrypted DDoS attacks.

Banks encrypt customers’ online transactions for security, but the encryption process consumes system resources. By flooding banking sites with encryption requests, attackers can further slow or cripple sites with fewer requests.

A hacker group calling itself Izz ad-Din al-Qassam Cyber Fighters has claimed in online posts that it was responsible for the attacks.

The group said it attacked the banks in retaliation for an anti-Islam video that mocked the Prophet Muhammad, and pledged to continue its campaign until the video was scrubbed from the Internet. It called the campaign Operation Ababil, a reference to a story in the Koran in which Allah sends swallows to defeat an army of elephants dispatched by the king of Yemen to attack Mecca in A.D. 571.

But American intelligence officials say the group is actually a cover for Iran. They claim Iran is waging the attacks in retaliation for Western economic sanctions and for a series of cyberattacks on its own systems. In the last three years, three sophisticated computer viruses — called Flame, Duqu and Stuxnet — have hit computers in Iran. The New York Times reported last year that the United States, together with Israel, was responsible for Stuxnet, the virus used to destroy centrifuges in an Iranian nuclear facility in 2010.

“It’s a bit of a grudge match,” said Mr. Lewis of the Center for Strategic and International Studies.

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Videos of Chávez Promote Stability During Illness

Meridith Kohut for The New York Times

In Caracas on Saturday, Venezuelans showed support for President Hugo Chávez, who is in Cuba after an operation.

CARACAS, Venezuela — They run around the clock on state television, highly polished videos of President Hugo Chávez hugging children, kissing grandmothers, playing baseball and reciting poetry. As supporters around the world hold up hand-lettered signs that say, “I Am Chávez,” the president’s voice is heard in one of them shouting, “I demand absolute loyalty because I am not me, I am not an individual, I am a people!”

In reality, officials say, Mr. Chávez lies in a Cuban hospital bed, struggling through complications from cancer surgery while his country heads toward a constitutional showdown over his absence.

Mr. Chávez’s fragile health has thrown Venezuela into political uncertainty. After being re-elected in October, he is supposed to be sworn in for the start of his new term on Thursday, but the charismatic leader who has dominated every aspect of government here for 14 years may be too ill to return in time, much less continue in office for the next six years. Top government officials insist that the swearing-in is just a formality. The opposition, meanwhile, says the Constitution requires that Mr. Chávez be present or, in his absence, that a process begin that could lead to new elections.

The government’s television barrage seems intent on reassuring loyalists — and anyone who might raise questions — that Mr. Chávez is still very much the head of the nation. By keeping his image front and center, analysts say, the government can bolster its position as the caretaker of his legacy, mobilize its supporters for the battle over interpreting the Constitution and build momentum for itself in elections should Mr. Chávez die or prove too sick to govern.

“They have combined the mechanisms of left-wing struggle with the best marketing team there is,” said J. J. Rendón, a political consultant who opposes the government.

He compared the saga over Mr. Chávez’s illness to a telenovela, one of the popular Latin American soap operas, with its unexpected plot twists that keep viewers on edge. “They are always prepared for different scenarios,” he said of the government.

During past trips to Cuba for cancer treatment over the last year and a half, Mr. Chávez worked to maintain his customary visibility back home, heading televised cabinet meetings, making phone calls to government-run television programs and posting on Twitter.

But this time is different. He has not been seen or heard from since his surgery on Dec. 11.

To fill the void, the government montages combine elements of campaign ads and music videos, sometimes with the feel of a religious revival broadcast.

They are Mr. Chávez’s greatest hits, showing him on the campaign trail or in scenes from happier times during his many years in office, a nostalgic and emotionally charged way for his supporters to connect with their absent leader. Set to rock, rap or folk music, they mine parallels between Mr. Chávez and his hero, the Venezuelan independence leader Simón Bolívar, and resonate with the religious devotion with which some of his followers regard him.

In one, Mr. Chávez is seen reciting a favorite poem exalting Bolívar. Another shows glowing pictures of Mr. Chávez while choirlike voices sing, “Chávez is the triumphant commander, Chávez is pure and noble love.”

“There is a process of converting Chávez into a myth with religious roots,” said Andrés Cañizalez, a communication professor at the Andrés Bello Catholic University.

The television spots, he said, are part of “a political strategy to keep alive this idea that Chávez is not just a political leader but he’s the father of the country, he’s a patriarch, he’s a figure who protects us, who takes care of everything for us, something more than a president.”

Many of Mr. Chávez’s followers already speak of him in religious terms, as a godlike presence, and the campaign seems intended to feed those perceptions.

María Eugenia Díaz contributed reporting.

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181,354 People on Twitter Think They’re Experts at Twitter

Do you tweet a lot? Do you post everything on Facebook? Do you #hashtag #complete #sentences #like #this? Do you describe yourself, variously, as a social media “maven”, “master”, “guru”, “freak”, “warrior”, “evangelist” or “veteran”? (Yes, a social media veteran. As if Tumblr were a deadly war you narrowly survived.) Well: you’ve got company! There are more than 181,000 such individuals on Twitter, people who adorn their profiles with credentials like “social media freak” and “social media wonk” and “social media authority.”

RELATED: Teens Hacking Their Friends’s Twitter Accounts Is All the Rage

B.L. Ochman at Advertising Age, whose heroic research produced the final tally, first noted the trend three years ago — when she recorded, among other distinctions, 68 “social media stars” and 79 “social media ninjas” on Twitter alone — and has been keeping track ever since. This isn’t just the stuff of legitimate Twitter news-breakers like Anthony DeRosa and Andy Carvin — Ohman provides a helpful breakdown of the terms she looked for — you know, like “social media warrior.” (We’re tempted to argue that such diligence makes Ochman something of a social media warrior herself.) Ochman also warns of using “guru” — a Sanskrit term — to describe oneself:

While a great many of these self-appointed gurus are no doubt taking the title with tongue firmly planted in cheek, the fact remains: a guru is something someone else calls you, not something you call yourself. Scratch that: let’s save “guru” (Sanskrit for “teacher”) for religious figures or at least people with real unique knowledge.

I’d argue, in fact, that “social media” and “guru” should never appear in the same sentence.

Whatever the term, social media seems to be a growth industry: there were only 15,740 “mavens” (or whatever) in 2009 — less than a tenth of those represented today.

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'Bama bashes Notre Dame 42-14 in BCS title game

MIAMI GARDENS, Fla. (AP) — Barely taking time to celebrate their latest national championship, Nick Saban and the Alabama Crimson Tide are ready to get back to work.

That's how they make it look so easy.

In what must be an increasingly frustrating scene for the rest of college football, another season ended with Saban and his players frolicking in the middle of a confetti-strewn field. Eddie Lacy ran all over Notre Dame, AJ McCarron turned in another dazzling performance through the air, and the Tide defense shut down the Fighting Irish until it was no longer in doubt.

The result was a 42-14 blowout in the BCS title game Monday night, not only making Alabama a back-to-back champion, but a full-fledged dynasty with three crowns in four years.

This one was especially satisfying to Saban.

"People talk about how the most difficult thing is to win your first championship," he said. "Really, the most difficult one to win is the next one, because there's always a feeling of entitlement."

Rest assured, that feeling won't last long in Tuscaloosa.

While Saban insisted he was "happy as hell" and "has never been prouder of a group of young men," it was hard to tell. He was already talking about reporting to the office Wednesday morning and getting started on next season.

"One of these days, when I'm sitting on the side of the hill watching the stream go by, I'll probably figure it out even more," Saban said. "But what about next year's team? You've got to think about that, too."

So, in short order, he'll be talking with underclassmen about entering the NFL draft, making sure everyone goes back to class on schedule, and getting started on that next depth chart.

"The Process," as he calls it, never stops.

"We're going to enjoy it for 24 hours or so," Saban said.

No. 2 Alabama quieted the top-ranked Irish on the very first drive — so much for waking up the echoes — and could've started the celebration at halftime, heading to the locker room with a commanding 28-0 lead.

The Tide (13-1) pushed it out to 35-0 midway through the third quarter on the third of McCarron's four touchdown passes, a 34-yarder to Amari Cooper with a defender nowhere in sight.

At that point, Alabama was on a 69-0 blitz in national title games, having scored the last 13 points in its 2010 triumph over Texas and blanked LSU 21-0 for last year's BCS crown.

When Everett Golson finally scored for Notre Dame (12-1) with about 4 minutes remaining in the third, it snapped a scoreless stretch of nearly two full games — 108 minutes and 7 seconds — by the Tide.

"It was just a complete game by the offense, defense and special teams," said Alabama linebacker C.J. Mosley, the defensive MVP with eight tackles, one of them behind the line.

Despite the dazzling numbers by McCarron — 20 of 28 for 264 yards — he was denied a second straight offensive MVP award in the title game. That went to Lacy, who finished with 140 yards rushing on 20 carries and scored two TDs. Not a bad finish for the junior, who surely helped his status in the NFL draft should he decide to turn pro.

Lacy also was MVP of the Southeastern Conference championship game, rushing for a career-best 181 yards in the thrilling victory over Georgia that gave Alabama a chance to repeat as champion.

The Tide will have some big holes to fill, no matter who decides to leave school early, with offensive tackle D.J. Fluker and cornerback Dee Milliner also pondering their draft prospects. There's not a lot of seniors on the roster, but All-America linemen Barrett Jones and Chance Warmack and safety Robert Lester are among those who definitely won't be back.

But Alabama had some huge holes to fill a year ago, too, with five players drafted in the first 35 picks.

That worked out just fine.

The Crimson Tide wrapped up its ninth Associated Press national title, breaking a tie with Notre Dame for the most by any school and gaining a measure of redemption for a bitter loss to the Irish almost four decades ago: the epic 1973 Sugar Bowl in which Ara Parseghian's team edged Bear Bryant's powerhouse 24-23.

"The process is ongoing," said Saban, tightlipped as ever and showing little emotion after the fourth BCS national title of his coaching career. "We have a 24-hour rule around here. We enjoy everything for 24 hours."

Notre Dame went from unranked in the preseason to the top spot in the rankings by the end of the regular season, winning two games in overtime and three other times by seven points or less.

But the long wait for a championship — the Irish haven't finished No. 1 since 1988 — will have to wait at least one more year.

"They just did what Alabama does," moaned Manti Te'o, Notre Dame's star linebacker and Heisman Trophy finalist, trying to digest an embarrassing loss in his final college game.

Golson will be back.

He completed his first season as the starter by going 21 of 36 for 270 yards, with a touchdown and an interception. But the young quarterback got no help from the running game, which was held to 32 yards — 170 below its season average.

"We've got to get physically stronger, continue close the gap there," said Brian Kelly, the Irish's third-year coach. "Just overall, we need to see what it looks like. Our guys clearly know what it looks like now — a championship football team. That's back-to-back national champions. That's what it looks like. That's what you measure yourself against there. It's pretty clear across the board what we have to do."

Kelly vowed this was only beginning, insisting the bar has been raised in South Bend no matter what the outcome.

"We made incredible strides to get to this point," he said. "Now it's pretty clear what we've got to do to get over the top."

Alabama is already there but still longing for more, not content even after the second-biggest rout of the BCS era that began in 1999. The only title game that was more of a blowout was USC's 55-19 victory over Oklahoma in the 2005 Orange Bowl, a title that was later vacated because of NCAA violations.

You could almost hear television sets around the country flipping to other channels as Alabama poured it on, a hugely anticipated matchup between two of the nation's most storied programs reduced to a laugher when the Tide scored on its first three possessions.

"We're going for it next year again," said offensive tackle Cyrus Kouandijo, only a sophomore and already the owner of two rings. "And again. And again. And again. I love to win. That's why I came here."

___

Follow Paul Newberry on Twitter at www.twitter.com/pnewberry1963

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Oil Sand Industry in Canada Tied to Higher Carcinogen Level

Todd Korol/Reuters

An oil sands mine Fort McMurray, Alberta.

OTTAWA — The development of Alberta’s oil sands has increased levels of cancer-causing compounds in surrounding lakes well beyond natural levels, Canadian researchers reported in a study released on Monday. And they said the contamination covered a wider area than had previously been believed.

For the study, financed by the Canadian government, the researchers set out to develop a historical record of the contamination, analyzing sediment dating back about 50 years from six small and shallow lakes north of Fort McMurray, Alberta, the center of the oil sands industry. Layers of the sediment were tested for deposits of polycyclic aromatic hydrocarbons, or PAHs, groups of chemicals associated with oil that in many cases have been found to cause cancer in humans after long-term exposure.

“One of the biggest challenges is that we lacked long-term data,” said John P. Smol, the paper’s lead author and a professor of biology at Queen’s University in Kingston, Ontario. “So some in industry have been saying that the pollution in the tar sands is natural, it’s always been there.”

The researchers found that to the contrary, the levels of those deposits have been steadily rising since large-scale oil sands production began in 1978.

Samples from one test site, the paper said, now show 2.5 to 23 times more PAHs in current sediment than in layers dating back to around 1960.

“We’re not saying these are poisonous ponds,” Professor Smol said. “But it’s going to get worse. It’s not too late but the trend is not looking good.” He said that the wilderness lakes studied by the group were now contaminated as much as lakes in urban centers.

The study is likely to provide further ammunition to critics of the industry, who already contend that oil extracted from Canada’s oil sands poses environmental hazards like toxic sludge ponds, greenhouse gas emissions and the destruction of boreal forests.

Battles are also under way over the proposed construction of the Keystone XL pipeline, which would move the oil down through the western United States and down to refineries along the Gulf Coast, or an alternative pipeline that would transport the oil from landlocked Alberta to British Columbia for export to Asia.

The researchers, who included scientists at Environment Canada’s aquatic contaminants research division, chose to test for PAHs because they had been the subject of earlier studies, including one published in 2009 that analyzed the distribution of the chemicals in snowfall north of Fort McMurray. That research drew criticism from the government of Alberta and others for failing to provide a historical baseline.

“Now we have the smoking gun,” Professor Smol said.

He said he was not surprised that the analysis found a rise in PAH deposits after the industrial development of the oil sands, “but we needed the data.” He said he had not entirely expected, however, to observe the effect at the most remote test site, a lake that is about 50 miles to the north.

Asked about the study, Adam Sweet, a spokesman for Peter Kent, Canada’s environment minister, emphasized in an e-mail that with the exception of one lake very close to the oil sands, the levels of contaminants measured by the researchers “did not exceed Canadian guidelines and were low compared to urban areas.”

He added that an environmental monitoring program for the region announced last February 2012 was put into effect “to address the very concerns raised by such studies” and to “provide an improved understanding of the long-term cumulative effects of oil sands development.”

Earlier research has suggested several different ways that the chemicals could spread. Most oil sand production involve large-scale open-bit mining. The chemicals may become wind-borne when giant excavators dig them up and then deposit them into 400-ton dump trucks.

Upgraders at some oil sands projects that separate the oil bitumen from its surrounding sand are believed to emit PAHs. And some scientists believe that vast ponds holding wastewater from that upgrading and from other oil sand processes may be leaking PAHs and other chemicals into downstream bodies of water.

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Richard Ben Cramer, Wrote of Presidential Politics, Dies at 62

Richard Ben Cramer, the Pulitzer Prize-winning reporter and the author of “What it Takes,” a superbly detailed account of the 1988 presidential election considered among the finest books about American politics ever written, died in Baltimore on Monday night. He was 62.

His daughter, Ruby Cramer, said he died of complications from lung cancer at Johns Hopkins University Medical Center.

Mr. Cramer was born on June 12, 1950, in Rochester, N.Y. He went to Johns Hopkins University as an undergraduate and later studied at Columbia University’s Graduate of Journalism. He worked at The Baltimore Sun before joining The Philadelphia Inquirer in the 1970s, where he was a Middle East correspondent from 1977 to 1984. He won a Pulitzer Prize in 1979 for his reporting there.

He went on to write for Sports Illustrated, Rolling Stone and Esquire, where in 1986, he wrote an article, “What Do You Think of Ted Williams Now?,” about the iconic baseball player. The article, which seemed to strip Mr. Williams bare and reconstruct him anew in the eyes of his fans, became a hallmark of sports journalism.

“It was often said Ted would rather play ball in a lab, where fans couldn’t see,” Mr. Cramer wrote. “But he never blamed fans for watching him. His hate was for those who couldn’t or wouldn’t feel with him, his effort, his exultation, pride, rage, or sorrow.” But Mr. Cramer will be most remembered for “What it Takes,” a 1,000-page, vigorously researched tome that delved into the passions, idiosyncrasies and flaws of George H. W. Bush, Bob Dole, Michael Dukakis, Joseph R. Biden Jr. and other candidates as they fought for the presidency in 1988.

As he reported for the book, he spent time with the candidates’ family members, college roommates and sometimes even their elementary schoolteachers.

He became close with the candidates themselves and in some cases forged friendships that endured after the election. Mr. Biden later gave him tips on fixing up an old farmhouse that he purchased in Maryland, he said in a 2010 interview with Politico.

“He made no bones about the fact that he became friendly with the people he reported on,” said his longtime friend Stuart Seidel, an editor at National Public Radio. “He liked Joe Biden and Bob Dole and both Bushes. He did not feel compromised by allowing himself to get close to them. He did not see himself in a confrontational reportorial role — he was telling a story.”

The book begins with Mr. Bush, then the vice president, throwing out the first pitch at a Houston Astros game in 1986.

“He’ll be cheered by 44,131 fans — and it’s not even a risky crowd, the kind that might get testy because oil isn’t worth a damn, Houston’s economy is down the crapper, and no one’s buying aluminum siding,” he wrote. “This is a playoff crowd, a corporate-perks crowd, the kind of fellows who were transferred in a few years ago from Stamford, Conn. You know, for that new marketing thing (and were, frankly, delighted by the price of housing), a solid GOP crowd, tax-conscious, white and polite.”

The book is in many ways the product of a bygone era, before quote approval and a micromanaged press corps, and when minute-by-minute coverage of a presidential campaign or anything else was a technological impossibility.

In a 2011 interview with The New York Times, Mr. Cramer described political journalists in his day as wielding real power, a contrast with now, when campaigns can seem to hold reporters at their mercy.

“Even if you had the wherewithal to embarrass a reporter, there was no mechanism to do it,” Mr. Cramer said. “And in most cases, you might as well save your breath because the reporter had no shame anyway.”

“What it Takes” received poor reviews, and sales were initially poor. Fellow journalists were also slow to see its value. Disappointed, Mr. Cramer never again wrote as prodigiously about politics. Rather, he turned his attention to other interests. He wrote a biography about Joe DiMaggio and returned to the Middle East for a book about the Israeli-Palestinian conflict.

Mr. Cramer lived in Chestertown, Md., with his wife, Joan Cramer, who survives him. He was previously married to Carolyn White, with whom he had his daughter, Ruby Cramer.

Jennifer M. Preston and Katharine Q. Seelye contributed reporting.

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