On a cold February night in 1991, a group of soldiers and officers of the Indian Army pushed their way into two villages in Kashmir, seeking out militants assumed to be hiding there. They pulled the men out of their homes and subjected many to torture, and the women to rape. According to village accounts, as many as 31 women were raped.Twenty-one years later, in 2012, the rape and murder of a young medical student in Delhi galvanized a protest movement so widespread and deep that i...