North Korean soldiers salute as others bow before the giant bronze statues of late North Korean leaders Kim Il Sung and his son Kim Jong Il during the anniversary of the end of World War II and liberation from Japanese colonial rule in Pyongyang, North Korea Wednesday, Aug. 15, 2018. North Korea has marked the anniversary with a series of ceremonies ahead of what is expected to be a much bigger event next month, the 70th anniversary of its national foundation day. (AP Photo/Ng Han Guan)

South Korean Unification Minister Cho Myoung-gyon, left, shakes hands with his North Korean counterpart Ri Son Gwon during their meeting at the northern side of Panmunjom in the Demilitarized Zone, North Korea, Aug. 13, 2018. Senior officials from the rival Koreas met Monday to set a date and venue for a third summit between South Korean President Moon Jae-in and North Korean leader Kim Jong Un, part of an effort to breathe new life into resolving the nuclear standoff between Washington and Pyongyang. (Korea Pool/Yonhap via AP)

South Korean Unification Minister Cho Myoung-gyon, right, and his North Korean counterpart Ri Son Gwon arrive to hold their meeting at the northern side of Panmunjom in the Demilitarized Zone, North Korea, Monday, Aug. 13, 2018. Senior officials from the rival Koreas met Monday to set a date and venue for a third summit between South Korean President Moon Jae-in and North Korean leader Kim Jong Un, part of an effort to breathe new life into resolving the nuclear standoff between Washington and Pyongyang. (Korea Pool/Yonhap via AP)

U.S. Secretary of State Michael Pompeo smiles as he arrives at the Subang military airport in Subang, Malaysia, Thursday, Aug. 2, 2018. Pompeo will meet senior Malaysian officials to discuss strengthening the Comprehensive Partnership and advancing common security and economic interests. (AP Photo/Vincent Thian)

FILE - In this June. 12, 2018, file photo, U.S. President Donald Trump meets with North Korean leader Kim Jong Un on Sentosa Island, in Singapore. The White House says President Donald Trump received a new letter from North Korean leader Kim Jong Un Wednesday following up on their Singapore summit. (AP Photo/Evan Vucci, File)

President Donald Trump points up to heaven as he speaks during a meeting with inner city pastors in the Cabinet Room of the White House in Washington, Wednesday, Aug. 1, 2018. (AP Photo/Andrew Harnik)

President Donald Trump points up to heaven as he speaks during a meeting with inner city pastors in the Cabinet Room of the White House in Washington, Wednesday, Aug. 1, 2018. (AP Photo/Andrew Harnik)

North Korean Lt. Gen. An Ik San, second from right, shakes hands with his South Korean counterpart Maj. Gen. Kim Do-gyun during a meeting inside the Peace House at the border village of Panmunjom, South Korea, Tuesday, July 31, 2018. Generals from the rival Koreas met Tuesday at their shared border for talks meant to ease a decades-long military standoff, Seoul officials said.(Korea Pool/Yonhap via AP)

FILE - In this July 28, 2018, photo, Russian President Vladimir Putin speaks during the State Prize awards ceremony in Kremlin in Moscow, Russia. Congress is producing an unusual outpouring of bills, resolutions and new sanctions proposals to push back at President Donald Trump’s approach to Putin. They want to shore up relations with NATO allies and prevent Russian interference in the midterm election. (AP Photo/Pavel Golovkin, Pool)