It’s been a foreign policy tightrope on which the United States and its Asian allies have been balancing since North Korea test fired more than half a dozen short and medium range missiles and at least one that – had it not failed – could’ve reached the west coast of the United States. Talks and sanctions haven’t yielded much in past years. One history professor at UAB who studied and lived in Asia, Dr. John Van Sant, tells WBHM’s Steve Chiotakis that what complicates a diplomatic resolution is the history of bad blood – not only with the U.S., but with North Korea’s neighbors.