test, don't use nuclear missiles, don't do anymore actions. he's understanding that. >> pyongyang university of science and technology released this government statement saying the government there detained another u.s. citizen. a person named tony kim. kim was about to leave the country about teaching there for several weeks when officials detained him. ambassador haley said the country's dictator is trying to use kim as a bargaining chip for talks with the united states. north korea is holding three american citizens. the white house reported that president trump spoke with president xi jinping yesterday. it was reported that our president asked xi to just restrained in dealing with north korea. john bussey is here from the "wall street journal." when does this come together and mean? >> it's interesting.