If you ever need proof that video games are a powerful educational tool, look no further than The Godfather. After a week with this Grand Theft Auto-like gangster simulator, you'll know more about the movie than most film students. You'll know the name of the guy who gets shot in the "leave the gun, take the cannoli" scene. You'll know the order in which Michael Corleone's enemies get whacked during the climactic revenge montage. You'll know this, because you'll have done it all ...