Nearly five months into its senseless war against Ukraine, Russia has concocted a wild new explanation for why the Kremlin’s plans for a quick takeover fell apart so spectacularly—because Ukrainian troops were turned into superhuman killing machines during “secret experiments” in American-run biolabs, of course. Never mind the myriad reports of Russian troops refusing to fight by the thousands, sabotaging their own shoddy equipment and even deliberately wounding themselves to abandon the war, Russian lawmakers claim the real setback for Moscow was “drugged up” Ukrainian soldiers. That claim was made Monday by two Russian lawmakers heading up a commission to...