Republican presidential nominee Mitt Romney and President Obama wave to the audience during the first presidential debate at the University of Denver on Wednesday, Oct. 3, 2012, in Denver. (AP Photo/Charlie Neibergall)

Photo by: Charlie Neibergall

Republican presidential nominee Mitt Romney and President Obama wave to the audience during the first presidential debate at the University of Denver on Wednesday, Oct. 3, 2012, in Denver. (AP Photo/Charlie Neibergall)