“Both the South Koreans and the North Koreans have made a very compelling case for starting the process with at least a declaration,” Jean H. Lee, a Korea expert at the Woodrow Wilson Center in Washington, said at a talk there on Wednesday.
Read MoreNPR: Who Is North Korean Diplomat Kim Yong-Chol?
A top North Korean Diplomat Kim Yong-chol met with President Trump Friday. NPR's Mary Louise Kelly speaks with journalist Jean Lee of the Wilson Center about the diplomat's background.
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