Dear Mr. Watterson

It's almost silly to say Bill Watterson's Calvin and Hobbes comic strip, which ceased publication -- brace yourself -- nearly 18 years ago, was influential. That's beyond obvious. But that doesn't mean it isn't enjoyable to hear a slew of actors, cartoonists and other artistic folks talk about the impact the strip had on their lives. Based on the trailer, that seems to be the thrust of director Jo