Republican presidential candidate, former Massachusetts Gov. Mitt Romney and Virginia Republican Senate candidate George Allen wave to supporters during a campaign at Integrity Windows in Roanoke, Va., Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)

Associated Press
Republican presidential candidate, former Massachusetts Gov. Mitt Romney and Virginia Republican Senate candidate George Allen wave to supporters during a campaign at Integrity Windows in Roanoke, Va., Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)
Republican presidential candidate, former Massachusetts Gov. Mitt Romney and Virginia Republican Senate candidate George Allen wave to supporters during a campaign at Integrity Windows in Roanoke, Va., Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)
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