When Katie Roiphe arrived at Harvard in the fall of 1986, she found that the feminism she had been raised to believe in had been radically transformed. The women's movement, which had once signaled such strength and courage, now seemed lodged in a foundation of weakness and fear. At Harvard, and later as a graduate student at Princeton, Roiphe saw a thoroughly new phenomenon taking shape on campus: the emergence of a culture captivated by victimization, and of a new bedroom politics in the university, cloaked in outdated assumptions about the way men and women experience sex. Men were the...