If the far-Left’s attack on actress Sydney Sweeney’s new ad for American Eagle isn’t the most intellectually embarrassing event of the year, it must be close.The blonde, blue-eyed beauty pitches the company’s jeans. Because the ads importune viewers to buy “good jeans” by playing on the idea of “good genes,” Sweeney is guilty of promoting “whiteness,” “white supremacy,” and, of course, “Nazi propaganda.”Presumably we are to believe that Sweeney, who appeared in the hysterical leftist dystopian TV program The Handmaid’s Tale, now advocates Aryan racial purity, with a little Lebensraum thrown in. Madness, yes. But the Left never lets a...