Mitt Romney

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney and his vice presidential running mate, Rep. Paul Ryan, R-Wis., make an unscheduled stop at a Wendy's restaurant in Richmond Heights, Ohio, on Election Day, Tuesday, Nov. 6, 2012. (AP Photo/Charles Dharapak)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney and his vice presidential running mate, Rep. Paul Ryan, R-Wis., greet campaign workers at a call center in Richmond Heights, Ohio, on Election Day, Tuesday, Nov. 6, 2012. (AP Photo/Charles Dharapak)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney and his running mate Rep. Paul Ryan, R-Wis., wave as they exit a campaign charter airplane at Cleveland Hopkins International airport, Tuesday, Nov. 6, 2012 in Cleveland, Ohio. Ryan arrived moments earlier on his own plane and met Romney on board. (AP Photo/Mary Altaffer)

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Republican presidential candidate Mitt Romney and his wife, Ann, vote in Belmont, Mass., on Tuesday, Nov. 6, 2012. (AP Photo/Charles Dharapak)

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Republican presidential candidate Mitt Romney and his wife, Ann Romney, vote at a polling station in Belmont, Mass., on Tuesday, Nov. 6, 2012. (AP Photo/Charles Dharapak)

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Republican presidential candidate Mitt Romney and his wife, Ann, vote in Belmont, Mass., on Tuesday, Nov. 6, 2012. (AP Photo/Charles Dharapak)

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Former Massachusetts Gov. Mitt Romney, the Republican presidential nominee, waves goodbye to backers at a rally at the Patriot Center at George Mason University in Fairfax on Monday as he tries to wrest a few more last-minute votes in the swing state. (Craig Bisacre/The Washington Times)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney gestures as he speaks at a Virginia campaign rally at Lynchburg Regional Airport, in Lynchburg, Va., Monday, Nov. 5, 2012. (AP Photo/Charles Dharapak)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks at a Florida campaign rally at Orlando Sanford International Airport, in Sanford, Fla., Monday, Nov. 5, 2012. (AP Photo/Charles Dharapak)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney waves to supporters at a Virginia campaign rally at Lynchburg Regional Airport in Lynchburg, Va. on Monday Nov. 5, 2012. (AP Photo/The News & Advance, Jill Nance)

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Supporters cheer for Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks to supporters at a Virginia campaign rally at Lynchburg Regional Airport in Lynchburg, Va., on Monday, Nov. 5, 2012. (AP Photo/News & Daily Advance, Jill Nance)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks to supporters at a campaign rally at Lynchburg Regional Airport in Lynchburg, Va., on Monday Nov..5, 2012. (AP Photo/News & Daily Advance, Jill Nance)

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Supporters wave the American flag as Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks to supporters at a Virginia campaign rally at Lynchburg Regional Airport in Lynchburg, Va., on Monday Nov. 5, 2012. (AP Photo/The News & Advance, Jill Nance)

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Virginia Republican Senate candidate George Allen greets crowd members before Republican presidential candidate, former Massachusetts Gov. Mitt Romney appeared at a campaign event at the Lynchburg Regional Airport, Monday, Nov. 5, 2012, in Lynchburg, Va. (AP Photo/David Goldman)