Politics

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** FILE ** Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns at the Jefferson County Fairgrounds in Golden, Colo., Thursday, Aug. 2, 2012. (AP Photo/Charles Dharapak)

In this Saturday, Feb. 18, 2012 file photograph, senate candidate Sarah Steelman speaks during a forum at a Republican conference in Kansas City, Mo. In the Aug. 7, 2012 primary, voters will decide who will challenge Democratic U.S. Sen. Claire McCaskill. (AP Photo/Orlin Wagner, File)

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President Obama addresses the crowd of supporters on his grass-roots campaign tour at the Harold and Ted Alfond Sports Center of Rollins College in Winter Park, Fla., on Thursday, Aug. 2, 2012. (AP Photo/Tampa Bay Times, Willie J. Allen Jr.)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns at the Jefferson County Fairgrounds in Golden, Colo., Thursday, Aug. 2, 2012. (AP Photo/Charles Dharapak)

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Senate Minority Leader Mitch McConnell, R-Ky., and other GOP leaders, talk to reporters following a political strategy session at the Capitol in Washington, Tuesday, July 31, 2012. He is joined by Sen. John Barrasso, R-Wyo., far left, and Sen. John Cornyn, R-Texas. (AP Photo/J. Scott Applewhite)

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A protester displays a placard that reads: “No to restart of nuclear reactors and Prime Minister Noda” during a march near the parliament complex in Tokyo earlier this week. The government is hearing demands to abandon nuclear power in the wake of the meltdown last year. The question of nuclear weapons is also being brought up. (Associated Press)