american response. and the daily briefing today, the press secretary dismissed the north korean bravado. >> this isn't the first time north korea has put out propaganda tools. i don't think we're going to comment on every time they put out a piece of propaganda. >> reporter: tensions could reach a new high between the two countries because analysts say, sandra, that north korea is getting prepared, or at least making preparations, for what appears to be an imminent nuclear test. >> sandra: all right, john roberts, live at the white house. thank you. for more on this, former cia senior north korea analyst and managing director for bower group asia. dr. terry, thank you for being here. the white house press briefing just happened. that response to the propaganda video that we just saw. we can take another look at it. specifically what's happening in that video is the performance, simulating the bombing of a u.s. city, in this case san francisco, with kim jong-un watching and smiling on.