Amid report of N. Korea purge are reasons for caution
AP In this Feb. 21 file photo, Kim Hyok Chol, left, North Korea's special representative for U.S. affairs, leaves the Government Guest House in Hanoi, Vietnam. SEOUL, South Korea (…
AP In this Feb. 21 file photo, Kim Hyok Chol, left, North Korea's special representative for U.S. affairs, leaves the Government Guest House in Hanoi, Vietnam. SEOUL, South Korea (…