presses on the korean peninsula. that's non-starter for the united states. now the u.s. has to try to persuade nine cha to exercise the only leverage really that's out there. it's to persuade china it is not looking for regime change in north korea. it is not looking to remove china's buffer between it and u.s. forces. in other words, on the rest of the korean peninsula and persuade china it has to do everything possible to stop this course of action by north korea. because the u.s., many analysts say, he's in to put more money, more effort, more military personnel and equipment and sort of energy into a deterrence there on the korean peninsula and to now, get into some kind of containment mode, because, you mow, north collar shown it is not going to denuclearize and keeps modernizing and improving its nuclear capability, and now that it may have a miniature