>> the cyber attacks have been going on for quite a long time now from the north into the south. and so we can expect more of those as the north koreans ramp up their ability. the other thing, they can do other things like for instance they can set off bombs in south korea. they can have more provocations in the west sea, what we call the yellow sea. that's probable because every spring the north korean navy goes out there crabbing to support itself and go crabbing in south korea an waters. it's built in source of provocation. >> obviously this is all on the heels of the military exercises that we ran with south korea, b-2 stealth bombers. if diplomacy is the only option to try to settle the waters, is our american option the best form through china to get to pyongyang? >> the problem right now with china, you've also got an incomplete leadership transition, very push you you