President Joe Biden, who is now sending tanks to Ukraine, warned in March that doing so would result in World War III. Biden announced last week that the United States would send 31 Abrams M1 main battle tanks to Ukraine in what amounts to an escalation of American support for Ukraine’s conflict with Russia. Biden said: With spring approaching, Ukrainian forces are working to defend the territory they hold and preparing for additional counter offenses to liberate their land. They need to be able to counter Russia’s evolving tactics and strategy on the battlefield in the very near term. They...