In this Feb. 28 file photo, U.S. President Donald Trump and North Korean leader Kim Jong-un take a walk after their first meeting at the Sofitel Legend Metropole Hanoi hotel in Vietnam. AP-Yonhap Despite the continued impasse in denuclearization talks between the United States and North Korea, efforts to bring nuclear diplomacy back on track … Continue reading US to team up with S. Korea, Japan for unified approach toward NK’ By Kim Yoo-chul