Empty threats from Putin and Kim merit little thought.

Russia and the DPRK constantly threatening nuclear war to scare non-interventionists and then blaming it on the West is part of a textbook strategy.

Nary a week goes by without Vladimir Putin or Kim Jong-un making a veiled threat to conduct some kind of nuclear provocation.

The noise from Kim has faded into the background. After North Korea warned that there would be "unprecedentedly persistent and strong counteractions" if the US and Korea engaged in the Freedom Shield joint military drills, the US…