I was the first to write about Russia’s infamous high-tech military strategy. One small problem: it doesn't exist.Everywhere, you’ll find scholars, pundits, and policymakers talking about the threat the “Gerasimov doctrine” — named after Russia’s chief of the general staff — poses to the West. It’s a new way of war, “an expanded theory of modern warfare,” or even “a vision of total warfare.”There’s one small problem. It doesn’t exist. And the longer we pretend it does, the longer we misunderstand the — real, but different — challenge Russia poses.I feel I can say that because, to my immense chagrin,...