A regular on the NPR show “Wait Wait…Don’t Tell Me,” comedian Paula Poundstone is now on tour, talking politics, and promoting a new book, “The Totally Unscientific Study of the Search for Human Happiness.” (The Paramount. Huntington. 631-673-7300. Dec. 1.) The annual festival transforms the village into a Dickensian era, with Father Christmas, Dickens Mayor, Scrooge, the Town Crier and the sweepers roaming the streets.