US President Barack Obama (R) walks past Vietnam's President Tran Dai Quang (L) after a press conference at the International Convention Center in Hanoi on May 23, 2016. Obama visits Vietnam for the first time making him the third US President to visit the South East Asian country since the end of the Vietnam War in 1975. / AFP / pool / LUONG THAI LINH / POOL (Photo credit should read LUONG THAI LINH / POOL/AFP/Getty Images)
