Photo provided by the Korean Central News Agency (KCNA) on May 10, 2018 shows visiting U.S. Secretary of State Mike Pompeo talking with Kim Jong Un (not in the picture), top leader of the Democratic People's Republic of Korea (DPRK), on May 9, 2018. Kim Jong Un expressed confidence that his upcoming summit meeting with U.S. President Donald Trump would be a historic one. (Xinhua/KCNA)