dictator kim jong-il had a stroke, he's trying to pass power to his son, kim jong-un, so the north is feeling particularly vulnerable and oversensitive to anything that it sees as a potential threat, and south korea carrying out live fire artillery exercises in waters the north claimses aits own just a few miles off the north korean coast, something the north reacted very badly to, that's why they fired artillery in november and that's why i think they're likely to respond militarily if the south exercises go ahead now. >> when asked why people here inspect united states should be concerned about this, wolf blitzer who is in pyongyang said this is perhaps if not one of the but the most dapg rungerous regions in the world right now because of these exercises. >> the danger here is if the south goes ahead and the north responds, there is no question, the south will retaliate. i just came back from seoul and all my conversations with diplomats there and south korean officials the south koreans are