Republican presidential candidate, former Massachusetts Gov. Mitt Romney and Virginia Republican Senate 

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)
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