U.S. President Barack Obama attends the plenary session of the 21st ASEAN and East Asia summits in Phnom Penh

U.S. President Barack Obama attends the plenary session of the 21st ASEAN and East Asia summits in Phnom Penh

U.S. President Barack Obama attends the plenary session of the 21st ASEAN (Association of Southeast Asian Nations) and East Asia summits in Phnom Penh November 20, 2012. In his first meeting with a Chinese leader since his re-election, Obama said on Tuesday Washington and its chief economic rival must work together to “establish clear rules of the road” for trade and investment. REUTERS/Samrang Pring (CAMBODIA – Tags: POLITICS)