President Obama's Asia tour

U.S. President Barack Obama takes his seat at the Association of Southeast Asian (ASEAN)-U.S. leaders' meeting at the Peace Palace in Phnom Penh on November 19, 2012. Mr. Obama became the first sitting U.S> president to visit Cambodia as he arrived in Phnom Penh to attend the East Asia Summit.

Credit: JEWEL SAMAD/AFP/Getty Images