Inducting Ukraine into NATO after forcing Russia back behind its pre-2014 borders has been the only strategic aim EU leaders have allowed themselves to contemplate since Russia’s full-scale invasion three years ago. Alas, well before U.S. President Donald Trump’s re-election, this aim slipped into the realm of infeasibility. The writing had been on the wall for a while. First, Russian President Vladimir Putin’s war economy proved a godsend to his regime. Second, even Trump’s predecessor, Joe Bi