U.S. President Barack Obama speaks as Germany's Chancellor Angela Merkel, Britain's Prime Minister David Cameron and Russia's Prime Minister Dmitri Medvedev listen at the start of the first working

 
U.S. President Barack Obama speaks as Germany
U.S. President Barack Obama (L) speaks as Germany's Chancellor Angela Merkel (L-foreground), Britain's Prime Minister David Cameron (R-rear) and Russia's Prime Minister Dmitri Medvedev (R) listen at 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)