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

 
Republican presidential nominee Romney shakes hands with President Obama at the start of the first 2012 U.S. presidential debate in Denver
Republican presidential nominee Mitt Romney (L) shakes hands with President Barack Obama at the start of the first 2012 U.S. presidential debate in Denver October 3, 2012. REUTERS/Jason Reed