Trump Announces Summit Meeting With Kim Jong Un Is Back on

President Donald Trump gives a thumbs up from the presidential SUV before talking to reporters, and then boarding Air Force One, at Joint Base Andrews in Maryland, May 31, 2018. Trump said on Thursday that a delegation of officials from North Korea was expected to deliver him a letter from their leader, Kim Jong-un, in an extraordinary meeting on Friday in Washington. (Doug Mills/The New York Times)