U.S. President Barack Obama listens to Myanmar's President Thein Sein in the Oval Office at the White House in Washington May 20, 2013. Obama will walk a fine line between fostering a U.S. ally in ... more 

U.S. President Barack Obama listens to Myanmar's President Thein Sein in the Oval Office at the White House in Washington May 20, 2013. Obama will walk a fine line between fostering a U.S. ally in China's backyard and trying to defend human rights on Monday when Thein Sein becomes the first head of his country to visit the White House in 47 years. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS) less