The exchange underscored the volatility of planning the first meeting of a sitting U.S. president with a ruler of North Korea, especially when both leaders are as unpredictable as Trump and Kim. Hours after Trump met with Moon, Secretary of State Mike Pompeo made an unexpected appearance before reporters at the State Department, apparently to deliver a more reassuring message about the summit. He said he remains optimistic it will take place as scheduled.

Source: Los Angeles Times May 22, 2018 18:24 UTC