Here’s a fascinating article from New York magazine on the massive gender gap between Trump and Biden supporters. It contains this eye-popping claim, buried deep down: Neither the societal shift away from traditional gender roles nor the downstream cultural consequences of that shift are anywhere near complete. As Rebecca Traister has incisively argued, the growing prevalence of singledom among America’s rising generation of women is one of the most potent forces in contemporary politics. In 2009, for the first time in history, there were more unmarried women in the United States than married ones. And today, young women in the...