To say that the Republican Party remains dominated by fossilized male dinosaurs who don't know how to talk to modern women—well, that would be mean. It would also be close to the truth.

The GOP's female problem may help lose the presidential election. Women—in particular women who are independent voters—are going to decide this race. They are the demographic most up for grabs. The campaigns know it, which explains the obsessive focus by both sides on the female electorate. And yet for all the Republican attention to the women's...