This week on Talk World Radio, we're discussing train wrecks and the idea of nationalizing freight trains. Our guest Kari Lydersen is a Chicago-based journalist, author and assistant professor at Northwestern University, where she leads the investigative specialization at the Medill School of Journalism, Media, Integrated Marketing Communications. Her books include Mayor 1%: Rahm Emanuel and the Rise of Chicago’s 99%, and she's just published an article at In These Times called "The Case for Nationalizing the Railroads."