are prepared to use the full range of capabilities at our disposal against this growing threat. the big last two words there, growing threat. the trump administration may have to deal with kim jong-un. the big problem is they don't know what he has planned next. >> he is quite unpredictable. thank you, barbara. let's get more context with daily beast columnist gordon chang. great to have you in the studio. why is north korea doing this? >> they always do something provacative during the joint exercises betwe exercises. they fired four missiles at the same time. if you're really only trying to figure out how to improve your missiles, you fire one, look at the telemetry, you learn, make improvements, fire another one. what they've done here, they want a political effect on the