A South Korean man reads a newspaper reporting the U.S. President Trump meeting with North Korean leader Kim Jong-un on June 12, 2018, in Seoul, South Korea. (Photo by Chung Sung-Jun/Getty Images)
A South Korean man reads a newspaper reporting the U.S. President Trump meeting with North Korean leader Kim Jong-un on June 12, 2018, in Seoul, South Korea. (Photo by Chung Sung-Jun/Getty Images)

Pompeo moves to reassure allies as glow from Singapore summit fades