we spoke to george a moving a global policy expert from london metropolitan university you things that trump until some have adopted a good cop bad cop strategy well i think trump is doing the the familiar good called back up routine so to listen he's playing the good cop he's negotiating trying to work something else and then trump is doing leaves about. it so it's a familiar double leg i mean it's pretty which is he's laying it on the line to the john yang hey you better do the deal with to listen. because otherwise you know i might get fed up with it and i'll do something really terrible it's certainly a great risk i mean this is this is brinkmanship and brinkmanship is always very dangerous you know we've had brinkmanship before we had the you know cuban missile crisis where. power is back down to the last minute you never know with with these things it's hard to know exactly what military options the united states has up its sleeve you know korea is in an awkward position are they relieved willing to go the distance of the really willing to risk. total annihilation and then and th