hostile behavior. reporter: newword from south korea s leader about that speech, president moons that donald trump showed how seriously the us takes north korea s nuclear program but the reaction to another part came quicker, there was some applause in the room when he called out another regime with a nuclear program that makes the pentagon and state department nervous, iran. the iranian government masks corrupt dictatorship behind the false guise of democracy. it is time for the entire world to join us in demanding iran s government end its pursuit of death and destruction. reporter: benjamin at yahoo was seen smiling, among the most outspoken critics of iran, they don t think israel has a right to exist. donald trump took advantage of having world leaders in front of