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Republican presidential nominee Mitt Romney and with wife Ann wave toward the audience after the first presidential debate at the University of Denver, Wednesday, Oct. 3, 2012, in Denver. (AP Photo/Charlie Neibergall)

Republican presidential nominee Mitt Romney and with wife Ann wave toward the audience after the first presidential debate at the University of Denver, Wednesday, Oct. 3, 2012, in Denver. (AP Photo/Charlie Neibergall)

Mitt Romney

Yahoo News

Highlights from Republican presidential nominee Mitt Romney's 2012 campaign trail.