NPR : What's the Impact of School Segregation?: News & Notes, September 20, 2007 Annie Wimbish, a school superintendent in Hattiesburg, Miss., and educator Jonathan Kozol are both long-time educators who work with children in public schools. They talk with Farai Chideya about the current trend of re-segregation in public schools. Kozol's latest book is titled 'Letters to a Young Teacher.'