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President Barack Obama, center, shakes hands at the U.S.-Association of Southeast Asian Nations meeting at the Myanmar International Convention Center, Thursday in Naypyidaw, Myanmar. From left, Singapore Prime Minister Lee Hsien Loong, Thailand Prime Minister Gen. Prayuth Chan-ocha, Vietnam Prime Minister Nguyen Tan Dung, Obama, Myanmar President Thein Sei, Malaysian Prime Minister Najib Razak, and Sultan of Brunei Hassanal Bolkiah.