On the Wits podcast extra: Hail To the Chief(s)! Chieves? America celebrated its presidents this week. Wits celebrates those same presidents with a look back at the Commanders-in-Chief, Founding Fathers, and First Ladies that we have had on the show over the years. Or at least guests we made pretend that they were those people. And there have been a lot: James K. Polk, others. With special guests Andy Richter, Neil Gaiman, Paul F. Tompkins, Kevin Murphy, Bill Corbett, Paget Brewster, Joseph Scrimshaw, Josh Ritter, Chris Koza, Amy Sedaris, Eugene Mirman, Nellie McKay and Margaret Cho.