Our nation's radio hosts are fascinated by the influence Ayn Rand's had on the thinking of Rep. Paul Ryan. Rightly so! It's a good topic, and I was lucky enough to get briefed on it during two and a half years at Reason magazine. Over the weekend, NPR's On The Media brought me in to discuss the topic. Today, after 11 am ET, the Diane Rehm show is having me and an actual Rand expert on to talk about the story. Tune in!