FILE PHOTO: Former U.S. Ambassador to the United Nations Bolton arrives for a meeting with U.S. President-elect Trump at Trump Tower in New York

FILE PHOTO: Former U.S. Ambassador to the United Nations Bolton arrives for a meeting with U.S. President-elect Trump at Trump Tower in New York

John Bolton, US President Donald Trump's pick to be his next national security adviser. Photo: Reuters/Mike Segar

March 23, 2018 7:18 AM (UTC+8)