His book, A People’s History of the United States, has sold millions of copies but ask for it in your local bookstore and you may be lucky to find one copy. I did this little experiment here in Washington, D. C.—not an area known for its rock-ribbed conservatism—and literally had to blow the dust off of the jacket of the volume the clerk was able to unearth for me. Where I hear about Howard Zinn most frequently is in conversations with students and their parents who have encountered, usually not happily, the bard of Boston University for the first time...