"FILE - In this Nov. 19, 2011 file photo, President Barack Obama, left, stands next to Myanmar President Thein Sein during a group photo session at the East Asia Summit in Nusa Dua, on the island of Bali, Indonesia. Thein Sein's historic White House visit next week is the culmination of U.S. outreach to a former pariah regime. That's been based on a principle of taking ""action for action"" by deepening ties in response to democratic reforms. (AP Photo/Charles Dharapak, File)"