U.S. President Obama, Britain's Prime Minister Cameron and Russia's Prime Minister Medvedev listen to Germany's Chancellor Merkel during the start of the first working session of the G8 Summit at

 
U.S. President Obama, Britain
U.S. President Barack Obama (L), Britain's Prime Minister David Cameron (2nd R) and Russia's Prime Minister Dmitri Medvedev (R) listen to Germany's Chancellor Angela Merkel (foreground) during the start of the first working session of the G8 Summit at Camp David, Maryland, May 19, 2012. REUTERS/Andrew Winning (UNITED STATES - Tags: POLITICS)