there have been no ballistic missiles going out. >> reporter: trump's view breaks with japan's prime minister who directly contradicted him on the issue. even the president's own national security adviser john bolton said there is no doubt north korea violated international agreements. president trump also praising kim jong-un on the world stage. >> he knows with nuclear, that's never going to happen. only bad can happen. he understands that. he is a very smart man. he gets it well. i'm in no rush at all. the sanctions remain. >> reporter: the president used the press conference to attack the democratic frontrunner. >> kim jong-un made a statement that joe biden is a low iq individual. he probably is based on his record. i think i agree on that. >> reporter: trump and shinzo abe making news on escalating tensions with iran. >> i know so many people from iran. these are great people. we are not looking for regime change. i want to make that clear. we are looking for no nuclear