President Obama (fourth from left) waves as he stands with ASEAN leaders for a group photo during the ASEAN-U.S. leaders' meeting at the Peace Palace in Phnom Penh, Cambodia, on Nov. 19, 2012. They are (from left) Singapore's Prime Minister Lee Hsien Loong, Thailand's Prime Minister Yingluck Shinawatra, Vietnam's Prime Minister Nguyen Tan Dung, Obama, Cambodia's Prime Minister Hun Sen, Brunei's Sultan Hassanal Bolkiah, Indonesia's President Susilo Bambang Yudhoyono and Laos Prime Minister Thongsing Thammavong. (Associated Press)
President Obama (fourth from left) waves as he stands with ASEAN leaders for a group photo during the ASEAN-U.S. leaders' meeting at the Peace Palace in Phnom Penh, Cambodia, on Nov. 19, 2012. They are (from left) Singapore's Prime Minister Lee Hsien Loong, Thailand's Prime Minister Yingluck Shinawatra, Vietnam's Prime Minister Nguyen Tan Dung, Obama, Cambodia's Prime Minister Hun Sen, Brunei's Sultan Hassanal Bolkiah, Indonesia's President Susilo Bambang Yudhoyono and Laos Prime Minister Thongsing Thammavong. (Associated Press)
U.S. President Barack Obama, center, and Thai Prime Minister Yingluck Shinawatra acknowledge each other at a joint news conference at the Government House in Bangkok, Thailand, Sunday, Nov. 18, 2012. (AP Photo/Carolyn Kaster)
U.S. President Barack Obama, left, and Thai Prime Minister Yingluck Shinawatra toast during an official dinner at Government House in Bangkok, Thailand,. (AP Photo/Carolyn Kaster)
U.S. President Barack Obama, left, and Thai Prime Minister Yingluck Shinawatra toast during a official dinner as U.S. Secretary of State Hillary Rodham Clinton looks on from right at Government House in Bangkok, Thailand. (AP Photo/Carolyn Kaster)
U.S. President Barack Obama, second left, and Thai Prime Minister Yingluck Shinawatra, second right, arrive for an official dinner at Government House in Bangkok, Thailand. (AP Photo/Carolyn Kaster)
U.S. President Barack Obama, second left, and Thai Prime Minister Yingluck Shinawatra, second right, arrive for an official dinner at Government House in Bangkok, Thailand. (AP Photo/Carolyn Kaster)
U.S. President Barack Obama, right on red carpet, and Thai Prime Minister Yingluck Shinawatra, left on red carpet, attend the arrival ceremony at Thai Government House in Bangkok, Thailand, Sunday, Nov. 18, 2012. (AP Photo/Pablo Martinez Monsivais)
U.S. President Barack Obama, left, speaks as Thai Prime Minister Yingluck Shinawatra listens during a joint press conference at the Government House in Bangkok, Thailand. (AP Photo/Sakchai Lalit)
