North Korea’s lead denuclearization negotiator arrived in Washington Thursday for talks with Secretary of State Mike Pompeo, Reuters reports, with the possibility of also meeting with President Donald Trump. Kim Yong Chol, North Korea’s former spy chief and top envoy, is visiting the U.S. as the two countries move closer to arranging a second summit between Trump and North Korean leader Kim Jong Un. Trump and Kim met in Singapore in June, the first ever conference between sitting leaders of the U.S.