U.S. President Barack Obama delivers an address at the Lao National Cultural Hall, on the sidelines of the ASEAN Summit, in Vientiane, Laos September 6, 2016. REUTERS/Jonathan Ernst

U.S. President Barack Obama delivers an address at the Lao National Cultural Hall, on the sidelines of the ASEAN Summit, in Vientiane, Laos September 6, 2016. REUTERS/Jonathan Ernst

U.S. President Barack Obama delivers an address at the Lao National Cultural Hall, on the sidelines of the ASEAN Summit, in Vientiane, Laos September 6, 2016. REUTERS/Jonathan Ernst

September 6, 2016 7:38 AM (UTC+8)