Mitt Romney

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A supporter for Republican presidential candidate former Massachusetts Gov. Mitt Romney reacts during his speech during a campaign rally, Tuesday, Oct. 23, 2012, in Henderson, Nev. (AP Photo/Julie Jacobson)

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A young boy points to the name Mitt painted on his forehead while waiting for the arrival of Republican presidential candidate former Massachusetts Gov. Mitt Romney at a campaign rally, Tuesday, Oct. 23, 2012, at Henderson Pavilion in Henderson, Nev. (AP Photo/Julie Jacobson)

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Republican presidential candidate Mitt Romney pauses as the crowd reacts while speaking to supporters during a rally, Tuesday, Oct. 23, 2012, in Henderson, Nev. Fresh off the presidential debate in Florida, Romney and running mate Paul Ryan were making their first joint appearance in Nevada before heading to another campaign stop in Denver. (Associated Press)

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Republican presidential candidate former Massachusetts Gov. Mitt Romney, right, is greeted by running mate Rep. Paul Ryan, R-Wis., at the start of a rally, Tuesday, Oct. 23, 2012, in Henderson, Nev. Fresh off the presidential debate in Florida, Romney and Ryan were making their first joint appearance in Nevada before heading to Denver for another campaign stop. (AP Photo/Julie Jacobson)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney, speaks at a campaign event Tuesday, Oct. 23, 2012, in Henderson, Nev. (AP Photo/David Goldman)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney, right, and his vice presidential running mate, Rep. Paul Ryan, R-Wis., takes the stage at a campaign event Tuesday, Oct. 23, 2012, in Henderson, Nev. (AP Photo/David Goldman)

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A supporter for Republican presidential candidate former Massachusetts Gov. Mitt Romney waves to friends while waiting for his arrival at a rally, Tuesday, Oct. 23, 2012, in Henderson, Nev. (AP Photo/Julie Jacobson)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney waves as he speaks to the crowd during a campaign event Tuesday, Oct. 23, 2012, in Henderson, Nev. (AP Photo/David Goldman)

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Republican presidential candidate former Massachusetts Gov. Mitt Romney speaks to a crowd of supporters during a rally, Tuesday, Oct. 23, 2012, in Henderson, Nev. Fresh off the presidential debate in Florida, Romney and running mate Paul Ryan were making their first joint appearance in Nevada before heading to another campaign stop in Denver. (AP Photo/Julie Jacobson)

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Supporters hold banners and a doll as President Barack Obama shakes hands with supporters during a campaign event at Triangle Park in Dayton, Ohio, Tuesday, Oct. 23, 2012, the day after the last presidential debate against Republican Presidential candidate, former Massachusetts Gov. Mitt Romney. (AP Photo/Pablo Martinez Monsivais)

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President Barack Obama stops to waves to supporters as he takes the stage during a campaign event at Triangle Park in Dayton, Ohio, Tuesday, Oct. 23, 2012, the day after the last presidential debate against Republican Presidential candidate, former Massachusetts Gov. Mitt Romney. (AP Photo/Pablo Martinez Monsivais)

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Vice President Joe Biden stops to be photographed with a supporter during a campaign event with President Barack Obama at Triangle Park in Dayton, Ohio, Tuesday, Oct. 23, 2012, the day after the last presidential debate against Republican Presidential candidate, former Massachusetts Gov. Mitt Romney. (AP Photo/Pablo Martinez Monsivais)

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President Barack Obama is embraced by a unidentified supporter during a campaign event at Triangle Park in Dayton, Ohio, Tuesday, Oct. 23, 2012, the day after the last presidential debate against Republican Presidential candidate, former Massachusetts Gov. Mitt Romney. (AP Photo/Pablo Martinez Monsivais)

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Republican nominee Mitt Romney may have lost the foreign policy debate Monday, but GOP analysts say he still could benefit from his performance in the long run. (Associated Press)

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Linda Lee (right), the owner of the Lions Den Coffee Bar in Fisherville, Pa., has arranged straw men of President Obama and Gov. Mitt Romney, the Republican presidential nominee, having coffee together on the porch outside the front entrance on Monday as Nancy Jacobson looks on. (Andrew Harnik/The Washington Times)

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Republican presidential candidate Mitt Romney (right) and his running mate, Paul Ryan, greet supporters Oct. 23, 2012, before a rally in Las Vegas. (Associated Press)