The Id the Ego and the Superhero: What Makes Batman Tick?

"When you look at Batman with a coldly analytical eye — and he's hard to avoid these days, with The Dark Knight Rises set to come out Friday — a few things stand out as potential red flags: the secrecy, the lair, the attraction to danger, the blithe self-sacrifice, the ... cape."

"It's unusual, all of it, you have to admit. Sure, he's handy to have around in an emergency, and you can't beat a fella who can be summoned with a giant light in the sky in the event you've got no cellphone reception."

"But is he entirely ... well?"