US President Donald Trump welcomes South Korea's President Moon Jae-In in the Oval Office of the White House in Washington, DC, May 22, 2018.

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US President Donald Trump sits beside South Korea's President Moon Jae-In in the Oval Office of the White House in Washington, DC, May 22, 2018.
US President Donald Trump welcomes South Korea's President Moon Jae-In in the Oval Office of the White House in Washington, DC, May 22, 2018. 
Credit: Kevin Lamarque/Reuters