U.S. President Donald Trump, right, speaks with Antonio Guterres, United Nations (UN) secretary general, left, during a panel discussion at the UN General Assembly meeting in New York, U.S., on Monday, Sept. 18, 2017. Trump, who derided the United Nations as a "club for people to get together, talk and have a good time" after his election, is surprising veterans of the global body by leaning on it to help carry out his foreign policy agenda. Photographer: Caitlin Ochs/Bloomberg via Getty Images