Madeleine Albright is the highest-level U.S. official to visit North Korea while in office. As secretary of state, she met in October 2000 with leader Kim Jong Il, the father of the current leader. They discussed topics from missiles and terrorism to human rights. Albright's visit pushed U.S.-North Korea relations in a positive direction.
https:// www.haaretz.com/us-news/before-trump-six-other-american-leaders-who-visited-north-korea-1.5888468