The phrase “chain of command,” for most people, probably evokes military imagery. This is unfortunate, because it perpetuates the idea that leadership—any kind of leadership, really—is by ...

Russian President Vladimir Putin said at the weekend that his nation's nuclear forces should be put on high alert, raising fears that Russia's invasion of Ukraine could lead to nuclear escalation.

A 2020 document called “Basic Principles of State Policy of the Russian Federation on Nuclear Deterrence” says the Russian president takes the decision to use nuclear weapons.