Tim Miller spent years working as a Republican political operative for candidates like Jeb Bush and Jon Huntsman, before breaking with his party over Donald Trump. In the latest NPR Politics book club chat, Danielle Kurtzleben talks to Miller about Why We Did It — his attempt to explain why professional Republicans chose to back Trump.This episode: political correspondent Danielle Kurtzleben.This episode was produced by Elena Moore and Casey Morell. It was edited by Eric McDaniel. Our executive producer is Muthoni Muturi. Research and fact-checking by Katherine Swartz.Unlock access to this and other bonus content by supporting The NPR Politics Podcast+. Sign up via Apple Podcasts or at plus.npr.org. Connect:Email the show at nprpolitics@npr.orgJoin the NPR Politics Podcast Facebook Group.Subscribe to the NPR Politics Newsletter.