Politics

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney waves to the crowd as he leaves a campaign event at Farm Bureau Live at Virginia Beach, Va.,Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)

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President Barack Obama waves as he arrives at a campaign rally at the University of Colorado, in Boulder, Colo., Thursday, Nov. 1, 2012. (AP Photo/Brennan Linsley)

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney arrives on stage to campaign at Farm Bureau Live at Virginia Beach, Va.,Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)

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President Barack Obama gestures during a speech at campaign rally at the University of Colorado, in Boulder, Colo., Thursday, Nov. 1, 2012. (AP Photo/Brennan Linsley)

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney campaigns at Farm Bureau Live at Virginia Beach, Va., Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)

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Former President Bill Clinton speaks before a crowd of supporters for the Obama-Biden ticket at an appearance at Owens Community College in Toledo, Ohio, on Thursday, Nov. 1, 2012. (AP Photo/The Blade, Amy E. Voigt)

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Ann Romney speaks at a rally in support of her husband, Republican presidential candidate Mitt Romney, at the Strongsville Recreation Center in Strongsville, Ohio, Thursday, Nov. 1, 2012. (AP Photo/Mark Duncan)

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Republican vice presidential candidate Paul Ryan looks up at his wife Janna as he mans the phones at the Team Nevada headquarters in Las Vegas, Nov. 1, 2012. (AP Photo/Las Vegas Review-Journal, Jerry Henkel, Pool)

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Vice President Joe Biden speaks during a campaign rally at The Opera House at Fort Museum, Thursday, Nov. 1, 2012, in Fort Dodge, Iowa. (AP Photo/Matt Rourke)

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Bill McCoy of Virginia Beach, Va., wears a "Defeat Obama" sticker on his back as he listens to Republican presidential candidate, former Massachusetts Gov. Mitt Romney speak during a campaign event at Farm Bureau Live, Thursday, Nov. 1, 2012, in Virginia Beach, Va. (AP Photo/David Goldman)

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney holds up 5 month-old Charlotte McGee from Maryland after speaking at the campaign event at Meadow Farm Park, Thursday, Nov. 1, 2012 in Doswell, Va. (AP Photo/ Richmond Times-Dispatch, Dean Hoffmeyer, Pool)

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President Barack Obama lifts a baby as he greets people in the audience after speaking at a campaign event, Thursday, Nov. 1, 2012, at the Cheyenne Sports Complex in Las Vegas, before heading to Denver. (AP Photo/Carolyn Kaster)

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A supporter holds up a sign before Republican presidential candidate, former Massachusetts Gov. Mitt Romney takes the stage for a campaign event at Farm Bureau Live, Thursday, Nov. 1, 2012, in Virginia Beach, Va. (AP Photo/David Goldman)

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney walks past senior adviser Ed Gillespie, left, Virginia senate candidate George Allen, second right, and Virginia Gov. Bob McDonnell, right, as they leave a campaign event at Meadow Event Park, in Doswell, Va., for another rally in Virginia Beach, Va., Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)

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Actress and Obama supporter Eva Longoria, center, talks with Obama Senior campaign adviser David Axelrod, left, and White House senior adviser David Plouffe, right, during a campaign event at Cheyenne Sports Complex in Las Vegas, Thursday, Nov. 1, 2012. (AP Photo/Pablo Martinez Monsivais)

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Republican vice presidential candidate, Rep. Paul Ryan, R-Wis., poses for a photograph with a supporter during a campaign event, Thursday, Nov. 1, 2012 in Reno, Nev. (AP Photo/Mary Altaffer)

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Vice President Joe Biden speaks during a campaign rally at The Opera House at Fort Museum, Thursday, Nov. 1, 2012, in Fort Dodge, Iowa. (AP Photo/Matt Rourke)

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President Barack Obama speaks during a campaign event at the University of Colorado - Boulder, Thursday, Nov. 1, 2012 in Boulder, Colo. (AP Photo/Pablo Martinez Monsivais)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during a campaign event at Farm Bureau Live, Thursday, Nov. 1, 2012, in Virginia Beach, Va. (AP Photo/David Goldman)

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney smiles as he jokingly holds onto the bag of campaign strategist Stuart Stevens as they board their plane in Norfolk, Va.,Friday, Nov. 2, 2012, as he travels to campaign events in Milwaukee, Wis. (AP Photo/Charles Dharapak)