President Barack Obama returns from a trip to Thailand, Myanmar, and Cambodia, on the Marine One helicopter on the East Lawn of the White House in Washington in the early morning on Wednesday, Nov. 21, 2012. (AP Photo/Jacquelyn Martin)
** FILE ** In this Nov. 19, 2012, photo, President Barack Obama "douses 11 flames" as he tours the Shwedagon Pagoda with Secretary of State Hillary Rodham Clinton in Yangon, Myanmar. Little noticed during Obama's landmark visit to Myanmar was a significant concession that could shed light on whether that nation's powerful military pursued a clandestine nuclear weapons program, possibly with North Korea's help. (AP Photo/Carolyn Kaster)
U.S. President Barack Obama, center, arrives for the East Asian Summit Plenary Session at the Peace Palace in Phnom Penh, Cambodia, Tuesday, Nov. 20, 2012. Walking in front of President Obama is Chinese Premier Wen Jiabao. (AP Photo/Carolyn Kaster)
President Obama (right) tours the Shwedagon Pagoda in Yangon, Myanmar, on Nov. 19, 2012. In a historic trip to a long shunned land, Obama showered praise and promises of more U.S. help to Myanmar if the Asian nation keeps building its new democracy. (Associated Press)
U.S. President Barack Obama and Myanmar opposition leader Aung San Suu Kyi shake hands after speaking to the media at her residence in Yangon, Myanmar, Monday, Nov. 19, 2012. Obama who touched down Monday morning, becoming the first U.S. president to visit the Asian nation also known as Burma, said his historic visit to Myanmar marks the next step in a new chapter between the two countries. (AP Photo/Carolyn Kaster)
in this photo released by Thailand's Royal Household Bureau, U.S. President Barack Obama, left, talks with Thai King Bhumibol Adulyadej, right , at Siriraj Hospital in Bangkok, Thailand, Sunday, Nov. 18, 2012. (AP Photo/Royal Household Bureau)
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)