US President Barack Obama speaks at the Young Southeast Asian Leaders Initiative town hall event in Ho Chi Minh City on May 25, 2016.
Obama urged communist Vietnam on May 24 to abandon authoritarianism, saying basic human rights would not jeopardise its stability, after Hanoi barred several dissidents from meeting the US leader. / AFP / JIM WATSON        (Photo credit should read JIM WATSON/AFP/Getty Images)