A worker sets up the stage for the first of the 2012 U.S. presidential debates in Denver

 
A worker sets up the stage for the first of the 2012 U.S. presidential debates in Denver
A worker sets up the stage for the first of the 2012 U.S. presidential debates, which will be held at the University of Denver, in Denver, October 1, 2012. U.S. President Barack Obama will face challenger and Republican presidential nominee Mitt Romney in the first of three debates on October 3. REUTERS/Jim Urquhart