everybody calls in the ambassador and say, please be the calmer head here. >> it is in many respects a situation that has increased in volatility because if you look at this disputed maritime area, before there were naval skirmishes. you would have naval vessels going against -- a north korean navy falling apart. what's difference this time is they're using land-based artillery batteries. from that perspective, if you vt retaliation from the south korean side in response to a north korean response, we have now what the south koreans have made very clear, that they'll carry out an air strike against the north koreans. >> john pack, with the u.s. institute of peace, boy, we pray for peace, john. at least some diplomacy. thanks for joining us on the korean tensions. coming up, we're going to be right back. stick around for the bowen beer bottle band. i don't know what that is