U.S. President Obama greets Russia's Prime Minister Medvedev as he arrives at the G8 Summit at Camp David

 
U.S. President Obama greets Russia
U.S. President Barack Obama (R) greets Russia's Prime Minister Dmitri Medvedev as he arrives at the G8 Summit at Camp David, Maryland May 18, 2012. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS)