Mitt Romney

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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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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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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)

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Supporters wave American flags and Republican presidential candidate, former Massachusetts Gov. Mitt Romney waves as he arrives in his campaign bus for a campaign event at Meadow Event Park Thursday, Nov. 1, 2012, in Doswell, Va. (AP Photo/David Goldman)

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Mark Twain once said, “Politicians and diapers must be changed often, and for the same reason.” A long-awaited Election Day for President Obama and Mitt Romney looms Tuesday. (Associated Press)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney gestures as he speaks during a campaign stop at Meadow Event Park, Thursday, Nov. 1, 2012, in Doswell, Va. (AP Photo/David Goldman)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney greets supporters as he campaigns at Meadow Event Park, in Richmond, Va., Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney takes the stage as he campaigns at Meadow Event Park, in Richmond, Va., Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney holds a peanut butter and honey sandwich he made for himself as he looks over his iPad while seated in the back of his campaign bus with chief strategist Stuart Stevens, center, and senior adviser Kevin Madden as they leave a campaign event at Meadow Event Park, in Dowell, Va., for another rally in Virginia Beach, Va., Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney holds on in the back of his campaign bus with aide Garrett Jackson, center, and senior adviser Kevin Madden, left, after a campaigning at Meadow Event Park in Richmond, Va., Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)