It’s Thursday and Sam is broadcasting from D.C. today. Joining him, historian and journalist, Rick Perlstein (@rickperlstein) to talk about his piece on Mitt Romney in Rolling Stone. Also on the show, our very own Jeff Smith (@dontbeaputz) with an Occupy Congress update. Use this post as today’s thread and click thru for a show update.Discussion with Rick Perlstein about Romney’s political roots, an analysis of Rick Santorum’s telling of his grandfather’s story of “making it” in America and more. And Jeff Smith gives a round up of his experience this week in D.C. Check out his piece in the Daily Beast. He talks about D.C.’s relevance as a seat of power and the general attitude in the nation’s capitol. Plus, a great song by the Screaming Majority (@screamingmaj) on Rick Santorum. Your calls and IMs.