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Good morning.

Here’s what you need to know:

All eyes on Singapore

• President Trump and Kim Jong-un, the North Korean leader, have both arrived in the city-state, where they are to meet at 9 p.m. Eastern today. Follow live updates here.

Hopes are high for the summit meeting, the first ever face-to-face encounter of leaders of the U.S. and North Korea. Yet most analysts doubt that Mr. Kim is prepared to give up his nuclear weapons.

Our reporters explain why the event is giving China the jitters and testing Mr. Trump’s claim of being a master deal maker.

• The president may be energized, but some of his exhausted aides are eyeing the exits, our Washington team hears. That includes his chief of staff, John Kelly, who is said to have called the White House “a miserable place to work.”