Romney: 'This is a time of great challenges'

Republican presidential candidate and former Massachusetts Gov. Mitt Romney gestures to supporters during his election night rally, Wednesday, Nov. 7, 2012, in Boston. (AP Photo/David Goldman) Photo by STF
Republican presidential candidate and former Massachusetts Gov. Mitt Romney gestures to supporters during his election night rally, Wednesday, Nov. 7, 2012, in Boston. (AP Photo/David Goldman) Photo by STF
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