North Korea threatens US

Or we just destroy them now, while we can, and hope their nuke lands in an underpopulated area.

Lets not pretend our Tsar Bombs wouldn't wipe them out of existence with almost no negative repercussions, save for a huge city-sized crater with a nuclear hazard.

But that could also backfire, and more likely it would land in a place of importance, or a big city.

To really throw the Norks into chaos. We could just make it so all of its citizens get internet access. Then they would tear the country apart themselves.