On the podcast this week, a preview of the Iowa Republican caucuses. On Iowa Politics is a weekly news and analysis podcast that aims to re-create the kinds of conversations that happen when you get political reporters from across Iowa together after the day's deadlines have been met. This week’s show is hosted by Erin Murphy, the Des Moines Bureau Chief for The Gazette in Cedar Rapids, and features Gazette Deputy Bureau Chief Tom Barton, Lee Des Moines Bureau Chief Caleb McCullough, Jared McNett of the Sioux City Journal, Sarah Watson of the Quad City Times, and Gazette columnist Todd Dorman,. The show was produced by Stephen M. Colbert and the music heard on the podcast is courtesy of Porch Builder and Copperhead.