Chris Nolan's "The Dark Knight" changed the game for comic book movies in its time and stands as one of the most satisfyingly dramatic ventures in superhero cinema. But how does it cut it as a Batman film? Does it improve on the groundwork laid by "Batman Begins"? Or in an effort to further cement the Caped Crusader as a legitimate figure in art and culture, does it strip away some important elements that make Batman, Batman?