to night history made in singapore. the fir u.s. president meeting face-to-face with the leader of north korea. tonight inside the summit. the president shaking hands with north korean dictator kim jong-un. the american and north korean flags right behind them. the moment you can hear kim jong-un say it was like a scene from a science fiction movie. once fierce enemies, now signing an agreement. the president now heaping praise on the north korean leader. kim jong-un promising "complete denuclearization," and what president trump offered in return. how it will affect u.s. troops in the region, the concession that caught some, including south korea, by surprise. and the abc news exclusive. the first interview with president trump immediately after the summit. george stephanopoulos asking the