In this photo provided by South Korea Presidential Blue House via Yonhap News Agency, Kim Yong Chol, vice chairman of North Korea's ruling Workers' Party Central Committee, second from right, talks with South Korean delegation in Pyongyang, North Korea, Monday, March 5, 2018.  Envoys for South Korean President Moon Jae-in, led by Moon's national security director, Chung Eui-yong, are on a rare two-day visit to Pyongyang that’s expected to focus on how to ease a standoff over North Korea’s nuclear ambitions and restart talks between Pyongyang and Washington. (South Korea Presidential Blue House/Yonhap via AP)
Kim Yong Chol, vice chairman of North Korea's ruling Workers' Party Central Committee, second from right, talks with South Korean delegation in Pyongyang. South Korea Presidential Blue House / Yonhap Show more

North Korea offers to give up nuclear weapons in exchange for security