Throughout his young political career, Vance has consistently treated Ukraine with scornful indifference (“I don’t care” about Ukraine) or outright hostility (as in his famous Oval Office ambush of Ukrainian President Volodymyr Zelensky). He has opposed military and financial aid. Other self-identified natcons have shunned the Ukrainian cause as well. The late Kirk opposed aid, arguing it served no U.S. national interest and could fuel “a kinetic conflict against Russia.” Similarly, Reno now argues that, since Ukraine cannot win, “it is immoral to unleash the violence of war when objectives cannot be achieved, however just those objectives may be.” Republican...