In theory, I love Halloween. The practice, however, is something entirely different. In theory, this gives me a cool opportunity to show my creativity -- hell, I make my living at the day job for that. In practice, I just don't have the time and money to do very cool costumes, and I always wind up having to to cobble together something on the cheap and portable, since sitting on a train for an hour and a half in a costume doesn't appeal. When I'm on the train, I want invisibility ...