"The truth is on our side and truth is strength!" Vladimir Putin boomed into a microphone on Red Square last week, after a grand ceremony at which he proclaimed four large chunks of Ukrainian territory to be part of Russia. "Victory will be ours!" But in the real world, things look very different. Even as Russia's president signed his illegal annexation treaties in the Kremlin, Ukrainian forces were advancing inside the areas he had just seized. Hundreds of thousands of men have been fleeing Russia rather than be drafted to fight in an expanding war. And things are going so...