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)
Cambodia's Prime Minister Hun Sen, left, shakes hands with ASEAN Secretary-General Surin Pitsuwan as Hun Sen handed over a signed document to Surin after the singing ceremony of adoption of the ASEAN Human Rights Declaration during the 21st Association of Southeast Asian Nations, or ASEAN Summit in Phnom Penh, Cambodia, Sunday, Nov. 18, 2012. (AP Photo/Vincent Thian)
From left, Thein Sein, president of Myanmar; Benigno Aquino III, president of the Philippines; Lee Hsien Loong, prime minister of Singapore; Yingluck Shinawatra, prime minister of Thailand; Nguyen Tan Dung, prime minister of Vietnam; and Hun Sen, prime minister of Cambodia, join hands after a signing ceremony of adoption of the ASEAN Human Rights Declaration during a summit for the association in Phnom Penh, Cambodia, on Sunday. (Associated Press)
Cambodia's Prime Minister Hun Sen, left, shakes hands with ASEAN Secretary-General Surin Pitsuwan as Hun Sen handed over a signed document to Surin after the singing ceremony of adoption of the ASEAN Human Rights Declaration during the 21st Association of Southeast Asian Nations, or ASEAN Summit in Phnom Penh, Cambodia, Sunday, Nov. 18, 2012. (AP Photo/Vincent Thian)
Three national leaders attending the Association of Southeast Asian Nations summit — (from left) Laotian Prime Minister Thongsing Thammavong, Malaysian Prime Minister Najib Razak and Myanmar President Thein Sein — join hands during a group photo at the opening ceremony of the bloc's 20th summit in Phnom Penh, Cambodia, on Tuesday, April 3, 2012. (AP Photo/Apichart Weerawong)
U.S. Secretary of State Hillary Rodham Clinton, center, arrives to attend the opening of the ASEAN Regional Forum on Friday July 23, 2010, in Hanoi. The forum is attended by foreign ministers from the Association of Southeast Asian Nations (ASEAN) and their counterparts from partners countries including U.S., China, Russia, Japan and South Korea. (AP Photo/HOANG DINH Nam, Pool)
