U.S. Secretary of State John Kerry attends the 1st Association of Southeast Asian Nations (ASEAN) - U.S. Summit in Bandar Seri Begawan, Brunei, Wednesday, Oct. 9, 2013. (AP Photo/Vincent Thian)
North Korean Foreign Minister Pak Ui-chun is escorted by security personnel upon his arrival at the airport in Bandar Seri Begawan, Brunei, on Sunday, June 30, 2013, for the 46th ASEAN foreign ministers meeting. (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)