The conventional wisdom in Washington usually lag the view from the field by two to four weeks. Analysts and commentators have grudgingly declared that the Russian invasion of Ukraine has been blocked, and that the war is stalemated. The more likely truth is that the Ukrainians are winning. Most professional scholars of the Russian military first predicted a quick and decisive Russian victory; then argued that the Russians would pause, learn from their mistakes, and regroup; then concluded that the Russians would actually have performed much better if they had followed their doctrine; and now tend to mutter that everything...