Defying the odds, heroic Ukraine could conceivably draw Russia into a stalemate and, with enough military aid, “win” this war. Russia’s failure to capture Kyiv and the ground it has lost in Kharkiv have given Western onlookers hope, and an excuse not to do more. But looking at the terrible atrocities Russia has committed, the all-out invasion of a sovereign nation that has occurred, the cities and towns that have been obliterated, and the territory Russia has conquered, it is reasonable to assert that Russia’s war on Ukraine already represents a “loss” for human rights and international norms. With their spirit of freedom, love of homeland, and incredible bravery, Ukrainians stand a fighting chance, but only if the West steps up and speeds up the delivery of heavy weapons and stops pressuring Ukraine toward a...