Ukraine’s Fleeting Turnaround

Earlier this summer, Ukraine had finally seized the initiative in its punishing four-year war. President Volodymyr Zelensky had plenty of dramatic victories and technological advances to tout to his Western backers as he made the case that Russia can be defeated. His clash with Donald Trump in the Oval Office last year had been eclipsed by more recent encounters in which the U.S. president seemed open to helping Ukraine prevail. After closed-door talks with Zelensky in Turkey last month, Trump…