President Donald Trump participates in a United Nations Security Council briefing on counterproliferation at the United Nations General Assembly, Wednesday, Sept. 26, 2018, at U.N. Headquarters. ( …

President Donald Trump participates in a United Nations Security Council briefing on counterproliferation at the United Nations General Assembly, Wednesday, Sept. 26, 2018, at U.N. Headquarters. (AP Photo/Evan Vucci)