Ukraine entered 2023 filled with hope. Its forces had just secured enormous battlefield and strategic victories, first at Kherson and then Kharkiv, recapturing much lost territory from the Russian invaders, and Western capitals seemed increasingly confident that victory could be at hand.By the end of January, European and American leaders were no longer talking about whether to send Western main battle tanks, but how many and when. Britain led the charge, confirming that the formidable Challenger II would be sent to Ukraine, and putting intense diplomatic pressure on Washington and Berlin to follow London’s lead. Both duly buckled. With tanks...