get more not a sense of the situation around north korea from war correspondent and columnist eric margolis he joins me live now from canada eric pyongyang is heavily relied on told that he's some industries in that produces something like a billion dollars a year by closing it to work on the self isn't north korea in effect shooting itself in the foot well it is certainly you know iran it's north korea's largest single earlier of our currency previously this is the main source of our currency used to be parlors and japan like pinball machines that were run by the korean sort of gangsters and japan and a lot of the money used to go to north korea now it was from a song industrial area quite right but you know as part of this war of words waged by. the south koreans and the americans he can't have business as usual and make his threats sound very credible so no obvious he had to close down his joint venture personally i think it would be temporary but another threat of course is the relaunch of the yongbyon nuclear facility what sort of repercussions could that have well saying that everyone