U.S. President Obama shares a laugh with Canadian Prime Minister Harper in Pittsburgh

 
U.S. President Obama shares a laugh with Canadian Prime Minister Harper in Pittsburgh
U.S. President Barack Obama (R) shares a laugh with Canadian Prime Minister Stephen Harper as they arrive at the Phipps Conservatory for an opening reception and working dinner for heads of delegation, at the Pittsburgh G20 Summit in Pittsburgh, Pennsylvania September 24, 2009. REUTERS/Chris Wattie (UNITED STATES POLITICS BUSINESS)