U.S. Deputy Secretary of State Stephen Biegun, left, and Japan's Foreign Minister Toshimitsu Motegi attend their bilateral meeting in Tokyo Friday, July 10, 2020. (Behrouz Mehri/Pool Photo via AP)In this photo provided by South Korea Presidential Blue House, U.S. Deputy Secretary of State Stephen Biegun, left, talks with South Korean Presidential National Security Adviser Suh Hoon during a meeting at the presidential Blue House in Seoul, South Korea, Thursday, July 9, 2020. (South Korea Presidential Blue House via AP)U.S. Deputy Secretary of State Stephen Biegun, left, and Japan's Foreign Minister Toshimitsu Motegi, right, attend their bilateral meeting in Tokyo Friday, July 10, 2020. (Behrouz Mehri/Pool Photo via AP)U.S. Special Representative for North Korea Stephen Biegun, left, and Japanese Vice Foreign Minister Takeo Akiba, right, walk together prior to their bilateral meeting at Iikura Guest House Thursday, July 9, 2020, in Tokyo. (AP Photo/Eugene Hoshiko, Pool)U.S. Special Representative for North Korea Stephen Biegun, left, and Japanese Vice Foreign Minister Takeo Akiba, right, take off their protective masks for a photo session prior to their bilateral meeting at Iikura Guest House Thursday, July 9, 2020, in Tokyo. (AP Photo/Eugene Hoshiko, Pool)U.S. Special Representative for North Korea Stephen Biegun, left, and Japanese Vice Foreign Minister Takeo Akiba, right, pose for a photo session prior to their bilateral meeting at Iikura Guest House Thursday, July 9, 2020, in Tokyo. (AP Photo/Eugene Hoshiko, Pool)U.S. Special Representative for North Korea Stephen Biegun, left, and Japanese Vice Foreign Minister Takeo Akiba, right, pose for a photo session prior to their bilateral meeting at Iikura Guest House Thursday, July 9, 2020, in Tokyo. (AP Photo/Eugene Hoshiko, Pool)U.S. Special Representative for North Korea Stephen Biegun, left, and Japanese Vice Foreign Minister Takeo Akiba, right, pose for a photo session prior to their bilateral meeting at Iikura Guest House Thursday, July 9, 2020, in Tokyo. (AP Photo/Eugene Hoshiko, Pool)U.S. Special Representative for North Korea Stephen Biegun, left, and Japanese Vice Foreign Minister Takeo Akiba, right, greet each other prior to their bilateral meeting at Iikura Guest House Thursday, July 9, 2020, in Tokyo. (AP Photo/Eugene Hoshiko, Pool)U.S. Special Representative for North Korea Stephen Biegun, left, and Japanese Vice Foreign Minister Takeo Akiba, right, take off their protective masks for a photo session prior to their bilateral meeting at Iikura Guest House Thursday, July 9, 2020, in Tokyo. (AP Photo/Eugene Hoshiko, Pool)
U.S. Deputy Secretary of State Stephen Biegun, left, and Japan's Foreign Minister Toshimitsu Motegi attend their bilateral meeting in Tokyo Friday, July 10, 2020. (Behrouz Mehri/Pool Photo via AP)
