Republican presidential nominee Mitt Romney shakes hands with President Barack Obama at the end of the first 2012 U.S. presidential debate in Denver

 
Republican presidential nominee Mitt Romney shakes hands with President Barack Obama at the end of the first 2012 U.S. presidential debate in Denver
Republican presidential nominee Mitt Romney shakes hands with President Barack Obama as mediator Jim Lahrer gets up at the end of the first 2012 U.S. presidential debate in Denver October 3, 2012. REUTERS/Michael Reynolds/Pool