“Gimme Shelter” examines whether prestigious accounting and law firms are selling tax shelters that are of questionable legality. “Nation Building” examines whether American and European efforts at nation building have been successful in the Bosnian city of Mostar. “The Case Against Dr. Butler” examines the investigation of a scientist who reported 30 vials of bubonic plague missing from his lab. “Andy Rooney” talks about dropping the use of the title of the first lady.