Article Photos: Aggressive Romney spars with Obama in first debate



President Barack Obama, right, greets Republican presidential nominee Mitt Romney during the first presidential debate at the University of Denver, Wednesday, Oct. 3, 2012, in Denver. (AP Photo/David Goldman)

President Barack Obama, right, greets Republican presidential nominee Mitt Romney during the first presidential debate at the University of Denver, Wednesday, Oct. 3, 2012, in Denver. (AP Photo/David Goldman)