Remember the time the world’s most famous feminist implied that young women liked Bernie Sanders more than Hillary Clinton basically because they wanted to chase men? Probably not. But in February 2016, Gloria Steinem, who died on Wednesday, went on “Real Time With Bill Maher” and made a statement that seemed decidedly sexist. Mr. Maher asked Ms. Steinem about Mr. Sanders’s outsize support during his presidential campaign from young voters — including young women. “When you’re young, you’re thinking: ‘Where are the boys? The boys are with Bernie,’” Ms. Steinem said. It was, in retrospect, a weird time, 10 years...