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.