I generally agree with that, France has nuclear weapons and they don't get on with America at all..
So why isn't America hitting the roof about that?
Its just because emerging powers are viewed as junior states and the in the case of North Korea the boundaries between rogue and emerging have been made blurred by western media
He could be dangerous, but i think the nuclear deterrant works, no one wants to wipe the world out in one go... we'd all much prefer to do it by polluting it till its uninhabitable, basically so we can ignore it for longer
You can't ignore a mushroom cloud!