The essential argument used to avoid negotiation and continue support for the war in Ukraine is based on a falsehood. That falsehood, repeated by President Joe Biden, is that when Vladimir Putin decided to invade, he intended to conquer all of Ukraine and “annihilate” it. Its falsity has been exposed multiple times by military experts, who have pointed out, both before and after the invasion, that Russia could not have intended to conquer all of Ukraine because it did not invade with sufficient forces to do so. Indeed, this was a key reason why senior Ukrainian officials, and even President...