SEOUL—In January, North Korean defector Ji Seong-ho stood in the U.S. Capitol and raised a pair of homemade crutches above his head as President Trump, in a State of the Union address, decried Pyongyang’s human-rights abuses and praised the tenacity of those who escaped the Kim regime.
Eight months later, Mr. Ji said a diplomatic process aimed at persuading North Korea to dismantle its nuclear arsenal has neglected human-rights concerns.
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