U.S. President Barack Obama passes in front of ASEAN members flags as he arrives for the Plenary session of the 21st ASEAN (Association of Southeast Asian Nations) and East Asia summits in Phnom Penh

President Barack Obama passes in front of ASEAN members flags as he arrives for the Plenary session of the 21st ASEAN and East Asia summits in Phnom Penh, 20 November, 2012.
© 2012 Reuters