A combination photo shows Trump in New York and North Korean leader Jong Un in Pyongyang,

A combination photo shows U.S. President Donald Trump in New York, U.S. September 21, 2017 and North Korean leader Kim Jong Un in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang, September 4, 2017. REUTERS/Kevin Lamarque, KCNA/Handout via REUTERS/File Photos