Well, beyond that you have the fact that in order to maintain the kind of control that the regime maintains, they need isolation. This means that they do thing

Well, beyond that you have the fact that in order to maintain the kind of control that the regime maintains, they need isolation. This means that they do things to get isolated, so that the North Koreans get only one side of things. As US News and World Report once commented, threatening the North Korean government with isolation was like threatening a drowning man with a life preserver.....