pj crowley, are we heading to any kind of nuclear conflict with north korea here? >> i really don't think so. the bottom line is, north korea is crazy but they're not suicidal. the kim family business, they want that to continue. the kim family reign, they want to continue. so they'll make a lot of noise. but i don't think that they're going to jump off the cliff. >> we're seeing that the u.s. has been sending a missile defense system to guam. clearly some military activity. at what point should the united states consider some kind of military attack, all be it from a defensist standpoint if we can't put up with these saber rattling threats any longer? >> we need to be careful there. the last time the united states went across the 38th parallel during the korean war it didn't work well for us. china didn't particularly like that action. i mean, really, if we thought they really were at the point where they were going to fire a missile at us and add some