President Barack Obama and Republican presidential candidate and former Massachusetts Gov. Mitt Romney meet on stage at the start of the first presidential debate in Denver, Wednesday, Oct. 3, 2012. (AP Photo/Charles Dharapak)

Photo by: Charles Dharapak

President Barack Obama and Republican presidential candidate and former Massachusetts Gov. Mitt Romney meet on stage at the start of the first presidential debate in Denver, Wednesday, Oct. 3, 2012. (AP Photo/Charles Dharapak)