‘Two, four, six, eight. Stop the violence. Stop the rape.” So chanted a group of Ohio University students calling themselves “f***rapeculture” at a protest a couple of years ago. Rape-culture activists have become a fixture on campuses throughout the country, and now, 55 colleges — including Harvard, Princeton, and Berkeley — are under federal investigation for mishandling sexual-assault complaints. Some of my conservative/libertarian sisters have pointed out that the statistics on sexual assault are wildly inflated. Christina Hoff Sommers notes that the “one in five women are victims of rape” statistic that the Centers for Disease Control popularized (and that...