File photo of US Ambassador to the UN Bolton speaking at the United Nations in New York

 
File photo of US Ambassador to the UN Bolton speaking at the United Nations in New York
U.S. Ambassador to the U.N. John Bolton speaks after the U.N. Security Council voted to require Iran to stop its nuclear program, at the United Nations in New York in this July 31, 2006 file photo. Facing opposition from key senators, U.S. Ambassador to the United Nations John Bolton will leave office in a matter of days, the White House announced on December 4, 2006. REUTERS/Chip East/Files (UNITED STATES)