1. President Trump departed for Hanoi, Vietnam, for his second summit meeting with North Korea’s leader, Kim Jong-un. Mr. Kim has arrived, after a long, winding train journey. Above, a banner for the meeting.

Mr. Trump said he expected a “very tremendous summit,” amid indications that the administration may be preparing to deliver something that Mr. Kim desperately wants: a joint political statement declaring a formal end to the Korean War.

Senator Lindsey Graham said in a tweet that the summit meeting was “our last, best chance to end the nuclear conflict with North Korea on peaceful terms.” We took a detailed look at how Mr. Graham, once a Trump skeptic, became the president’s unlikely sidekick.