In it Robin recounts the way leftist radicals during the Vietnam era treated women. It is shocking and frightening. For those of you who have either forgotten what it was like or were not around to see it yourselves, I am posting a link here.
Historically, the post-1960s feminist wave arose as a response to the treatment radical women had been receiving from radical males. Call it a rebellion against the patriarchy, but it was more a rebellion against the SDS and the Weathermen.