NK "Protection" Racket

One wonders how much longer the Chinese will put up with this, since so much of the blowback will inevitably come their way:

North Korea warned on Wednesday that it would regard any sanctions imposed on it by Japan as a declaration of war and would hit back with an “effective physical” response.

Not much longer, I suspect; the alternative is a nuclear Japan. Kim Jong Il, please turn off the lights on your way out.