U.S. Secretary of State Rex Tillerson is greeted by U.S. Ambassador to the United Nations Nikki Haley...
U.S. Secretary of State Rex Tillerson is greeted by U.S. Ambassador to the United Nations Nikki Haley at the United Nations for a Security Council meeting on the situation in North Korea in New York City, U.S., April 28, 2017. REUTERS/Stephanie Keith