Shane Bauer is a senior reporter for Mother Jones whose new book is  American Prison: A Reporter’s Undercover Journey Into the Business of Punishment. He sits down with Isaac Chotiner to discuss his four months as a guard at a private prison in Louisiana, and what he learned about the American system of justice. Email: ask@slate.comTwitter: @IHaveToAskPod Podcast production by Max Jacobs. Listen to I Have to Ask via Apple Podcasts, Overcast, Spotify, Stitcher, or Google Play. Learn more about your ad choices. Visit megaphone.fm/adchoices