FILE- In this combination of file photos, U.S. President Donald Trump, left, in the Oval Office of the White House in Washington on May 16, 2018, and North Korean leader Kim Jong Un in a meeting with South Korean leader Moon Jae-in in Panmunjom, South Korea, on April 27, 2018. (AP Photo/Evan Vucci, Korea Summit Press Pool via AP, File)
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