link. let's get started. joining me now, two terrific guests to exmore more the mystery that is north korea. victor cha, previously he was director for asian affairs at the national security council under president bush. donald gregg is a former ambardous to south korea. in fact, he just returned from a visit there. he was also national security adviser in the 1980s to then president george h.w. bush. first question, what do you think they were trying to do, ambassador? this seems so bizarre. you wrote a piece about engaging with them. i feel as though it would be nice to get them less isolated, but then they go and test a nuclear bomb and threaten a preemptive nuclear strike and