There are many predictable signs of Christmas other than snow: holiday music pumps through pharmacy loud-speakers, colorful lights adorn your neighbor’s house and ballet companies mount their annual production of the Nutcracker. But how did a classical ballet from Tzarist Russia become an American Christmas tradition? Dance scholar Jennifer Fisher wrote a book about the incredible Nutcracker craze in America, and it’s a stranger story that you’d think. Produced by Curtis Fox.