worse. tonight, the two koreas could on the brink of more hostilities and there are tens of thousands of american troops right in that region on the southern side of the dmz. there are indications that north korea is making preparations for some sort of short or medium range scud launches from single location. there's also a deadline looming, and you've got an unpredictable violent north korean leader calling the shots from his side. he says his million-man army is in a war-time state and waiting for an order of attack. neither kim jong-un nor his south korean enemies are backing down from this dangerous standoff. >> it's a classic game of chicken where both sides have said what they're going to do and they can't back down. >> reporter: north koreans are demanding that south korea stop loud speaker broadcasts sending