THE COUNTDOWN for settling Ukraine’s geopolitical position within Europe and greater Eurasia is entering its final stages. Barring his resignation or removal from office, the denouement will occur under the watch of Ukraine’s populist-comedian president, Volodymyr Zelensky. Zelensky and his “Servant of the People” political movement won an overwhelming mandate from Ukrainian voters in 2019 by promising to succeed where Zelensky’s immediate predecessor, Petro Poroshenko, and the Ukrainian political establishment (which was largely voted out of office) had failed: to settle the conflict with Russia while presiding over Ukraine’s eventual integration into the Euro-Atlantic world. Time, however, is not on...