Adnan R. Khan is an independent writer and photographer who has covered migration and refugee issues for the past decade. A year ago, when Vladimir Putin ordered the Russian army to invade Ukraine, his declared goal was twofold. First, the Russian president claimed, ethnic Russians living on Ukrainian territory needed protection from a “Nazi” regime in Kyiv determined to cleanse the region of all traces of Russian culture and history. But this had no basis in fact. Ukrainian President Volodymyr Zelensky is Jewish; his parents are Holocaust survivors. And Russians in Ukraine’s east, in cities like Kharkiv, Kherson and Odesa,...