In the past, it has not been PC to be allowed to "win" a war.
That cannot be the case with NOKO. If we leave enough of them to climb up out of the rubble, it'll start all over again.
I don't think that'll be allowed to happen this time around. We've got 60 years a failed policies to allow another hermit kingdom.
The north has nothing to lose and everything to gain by toppling fatboy. Once the place has been sufficiently secured and international aid comes streaming in, the lights will come on, literally and figuratively. The survivors won't go back to scrounging grass for dinner.
