**FILE** Republican presidential candidate Mitt Romney speaks Oct. 3, 2012, during the first presidential debate with President Obama at the University of Denver. (Associated Press)
**FILE** Republican presidential candidate Mitt Romney speaks Oct. 3, 2012, during the first presidential debate with President Obama at the University of Denver. (Associated Press)
** FILE ** Republican presidential nominee Mitt Romney and President Obama speak during the first presidential debate at the University of Denver on Wednesday, Oct. 3, 2012, in Denver. (AP Photo/David Goldman/Eric Gay)
Republican presidential nominee Mitt Romney and President Obama shake hands on Wednesday, Oct. 3, 2012, after the first presidential debate at the University of Denver. (Associated Press)
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)
President Obama and Republican presidential nominee Mitt Romney participate Oct. 3, 2012, in the first presidential debate at the University of Denver in Denver. (Associated Press)
In a photo combo, Republican presidential nominee Mitt Romney and President Barack Obama speak during the first presidential debate at the University of Denver, Wednesday, Oct. 3, 2012, in Denver. (AP Photo/David Goldman/Eric Gay)
Republican presidential candidate Mitt Romney (left) and President Obama participate in the first presidential debate at the University of Denver in Denver on Wednesday, Oct. 3, 2012. (AP Photo/Charlie Neibergall)
Republican presidential candidate Mitt Romney (left) and President Obama participate in the first presidential debate at the University of Denver in Denver on Wednesday, Oct. 3, 2012. (AP Photo/Charlie Neibergall)
