South Korea’s President Moon Jae-in, US President Donald Trump, Japan’s Prime Minister Shinzo Abe, and others wait for a luncheon with US, Korean, and Japanese leaders at the Palace Hotel during the 72nd United Nations General Assembly on September 21, 2017 in New York City. / AFP PHOTO / Brendan Smialowski (Photo credit should read BRENDAN SMIALOWSKI/AFP via Getty Images)