What if there's no tomorrow? There wasn't one today.
What makes great comedy? Whatever it is, Bill Murray seems to have it figured out. But Murray's work is the product of an entire team of filmmakers. Groundhog Day is the brainchild of not only Murray, but writer Danny Rubin, and director Harold Ramis. Together they made one of the funniest movies of the past 30 years. So what was their secret? The next 20 slides hold the answer.