Denver Prepares For First Presidential Debate
University students Zach Gonzales (L) and Dia Mohamed, stand-in for candidates Gov. Mitt Romney and President Barack Obama, shake hands during rehearsal for the first presidential debate in the Ritchie Center at the University of Denver October 2, 2012 in Denver, Colorado. Republican presidential nominee and former Massachusetts Gov. Mitt Romney and President Barack Obama will square off on Wednesday for the first of three presidential debates before the November 6 election. (Photo by Chip Somodevilla/Getty Images)