What’s most surprising is that Americans have celebrated his manliness despite Zelensky’s being Jewish. Traditionally, Americans have seen manliness as uncharacteristic of, if not antithetical to, Jewish identity. While there have been tough Jewish men, the stereotype in popular media has leaned toward a bookish nebbish, embodied by someone like Woody Allen — so much so that the characteristics of a nebbish imply Jewishness, even if it’s unstated. The unprecedented hero worship of a Jewish “stud” heroically leading his people in wartime may upend these emasculated stereotypes that have plagued Jews for so long. Several stereotypes have dominated popular conceptions...