'Grapes Of Wrath' And The Politics of Book Burning [audio 7 min 21 sec]

Sept. 29 marks the beginning of the American Library Association's annual "Banned Books Week," a commemoration of all the books that have ever been removed from library shelves and classrooms. Politics, religion, sex, witchcraft — people give a lot of reasons for wanting to ban books, says Judith Krug of the ALA, but most often the bannings are about fear.