Christmas FUF; Colbert Report Ends; Math Can Be Fun

Earlier this week, Penn State professor and author Tara Moore explained the history of how we celebrate Christmas, from Santa to Krampus. Today, she answers a few lingering theology questions. Plus: The Colbert Report ends, while Sony’s “The Interview” never actually launched; the story of an inmate who’s struggling to keep his family together from behind bars; and comedian and mathematician Matt Parker explains how math can be fun.