Politics

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Duke's Tyler Thornton, right, defends the basket from Maryland's Charles Mitchell, left, and Dez Wells (32) as Maryland attempts to score in the closing moments of an NCAA college basketball game in Durham, N.C., Saturday, Feb. 15, 2014. Duke won 69-67. (AP Photo/Gerry Broome)

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Former President Bill Clinton, left, and Nolan Richardson, right, greet each other during halftime of an NCAA college basketball game between Arkansas and LSU on Saturday, Feb. 15, 2014, in Fayetteville, Ark. (AP Photo/Gareth Patterson)

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FILE - In this Nov. 6, 2013, file photo, a warning placard appears on a tank car carrying crude oil near a loading terminal in Trenton, N.D. Trains carrying millions of gallons of explosive liquids, including crude oil, are likely to continue rolling through major cities despite the government’s urging to steer the shipments around population centers in the wake of several accidents, according to industry experts. (AP Photo/Matthew Brown, File)

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FILE - In this Dec. 30, 2013, file photo, a fireball goes up at the site of an oil train derailment in Casselton, N.D. Trains carrying millions of gallons of explosive liquids, including crude oil, are likely to continue rolling through major cities despite the government’s urging to steer the shipments around population centers in the wake of several accidents, according to industry experts. (AP Photo/Bruce Crummy, File)

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FILE - In this April 19, 2012, file photo, the lantern used on the Confederate submarine H.L. Hunley is seen after conservation in a lab in North Charleston, S.C. The picture to the left shows what the lantern looked like after the sub was raised off the South Carolina coast. Monday, Feb. 17, 2014 is the 150th anniversary of the attack in which the Hunley sank the Union blockade ship Housatonic off Charleston, S.C., during the Civil War, becoming the first submarine in history to sink an enemy warship. (AP Photo/Bruce Smith, File)

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FILE - Flags adorn the grave of Confederate Lt. George Dixon, the commander of the Confederate submarine H.L. Hunley, in Charleston, S.C., in this Feb. 17, 2012, file photo. Monday, Feb. 17, 2014, is the 150th anniversary of the attack in which the Hunley sank the Union blockade ship Housatonic off Charleston, S.C., during the Civil War, becoming the first submarine in history to sink an enemy warship. (AP Photo/Bruce Smith, File)

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FILE - The Confederate submarine H.L. Hunley is raised from a barge by a crane at the former Charleston Naval Base in North Charleston, S.C., in this Aug. 8, 2000, file photo. Monday, Feb. 17, 2014, is the 150th anniversary of the attack in which the Hunley sank the Union blockade ship Housatonic off Charleston, S.C., during the Civil War, becoming the first submarine in history to sink an enemy warship. (AP Photo/Paula Illingworth, File)

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FILE - The Confederate submarine H.L. Hunley sits in a conservation tank after a steel truss that had surrounded it was removed in this Jan. 12, 2012, file photo, taken at a conservation lab in North Charleston, S.C. Monday, Feb. 17, 2014, is the 150th anniversary of the attack in which the Hunley sank the Union blockade ship Housatonic off Charleston, S.C., during the Civil War, becoming the first submarine in history to sink an enemy warship. (AP Photo/Bruce Smith, File)

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FILE - The Confederate submarine H.L. Hunley sits in a conservation tank after a steel truss that had surrounded it was removed in this Jan. 12, 2012, file photo, taken at a conservation lab in North Charleston, S.C. Monday, Feb. 17, 2014, is the 150th anniversary of the attack in which the Hunley sank the Union blockade ship Housatonic off Charleston, S.C., during the Civil War becoming the first submarine in history to sink an enemy warship. (AP Photo/Bruce Smith, File)

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A golf cart awaits passengers at The Annenberg Retreat at Sunnylands, Rancho Mirage, Calif., where President Barack Obama is playing golf according to White House officials, on Saturday, Feb. 15, 2014.With two stays in less than a year at the sprawling Sunnylands estate in Southern California, President Barack Obama is helping to fulfill the dream of the late philanthropists Walter and Leonore Annenberg, who hoped the property they used as a winter home would become the “Camp David of the West.” (AP Photo/Jacquelyn Martin)

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Golf carts await passengers at The Annenberg Retreat at Sunnylands, Rancho Mirage, Calif., where President Barack Obama is playing golf according to White House officials, on Saturday, Feb. 15, 2014. With two stays in less than a year at the sprawling Sunnylands estate in Southern California, President Barack Obama is helping to fulfill the dream of the late philanthropists Walter and Leonore Annenberg, who hoped the property they used as a winter home would become the “Camp David of the West.”(AP Photo/Jacquelyn Martin)

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Former president Bill Clinton and former Arkansas coach Eddie Sutton, right, talk during the second half of an NCAA college basketball game between Arkansas and LSU on Saturday, Feb. 15, 2014, in Fayetteville, Ark. (AP Photo/Gareth Patterson)

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Eddie Sutton, left, former President Bill Clinton, center, and Nolan Richardson, right, call the "Hogs" during halftime of an NCAA college basketball game between Arkansas and LSU on Saturday, Feb. 15, 2014, in Fayetteville, Ark. (AP Photo/Gareth Patterson)

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FILE - In a Monday, Feb. 10, 2014 file photo, Kenyan gays and lesbians and others supporting their cause wear masks to preserve their anonymity and one holds out a wrapped condom, as they stage a rare protest, against Uganda's increasingly tough stance against homosexuality in solidarity with their counterparts there, outside the Uganda High Commission in Nairobi, Kenya. President Barack Obama says in a statement provided Sunday, Feb. 15, 2014 that pending steps by Uganda to further criminalize homosexuality will complicate what he is describing as America's valued relationship with the East African nation. Museveni said Friday that he plans to sign a bill into law that prescribes life imprisonment for what they term as "aggravated" homosexual acts.(AP Photo/Ben Curtis)

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In this Wednesday, July 11, 2012 file photo, Ugandan President Yoweri Museveni speaks during the London Summit on Family Planning in central London. (AP Photo/Carl Court, Pool, File)

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Italy's Fabio Fognini celebrates his victory over Spain's Tommy Robredo at a Buenos Aires' Copa Claro Open semifinal tennis match in Buenos Aires, Argentina, Saturday, Feb. 15, 2014. (AP Photo/Victor R. Caivano)