After a speech at UMass Amherst on February 28, 1984, James Baldwin was asked by a student: ""You said that the liberal fa ade and being a liberal is not enough. Well, what is? What is necessary?"" Baldwin responded, ""Commitment. That is what is necessary. You mean it or you don't."" Taking up that challenge and drawing from Baldwin's fiction, nonfiction, poetry, and interviews, You Mean It or You Don't will spur today's progressives...