IN THE LATE 1960’s, America’s youth and thought leaders burst free from the confines of a staid conformist culture, demanding an end to the Vietnam War and racism, and, among a new generation of women, liberation and equality. But in the post-military draft and post-Watergate era and the height of disco-mania, former nun and lesbian political activist Virginia Apuzzo learned a very hard lesson: not all feminists are your sisters.