Even Elon Musk knows he's a good supervillain candidate

Almost no entrepreneur is closer to being a rock star than Elon Musk: The PayPal co-founder could even whip up a frenzy over a theoretical transportation system based on pneumatic tubes.Many of his interests seem aimed at setting himself up as some sort of technical messiah -- a man who wants to develop electronic cars to help save the planet, a man who is willing to help move humanity to Mars if he fails, and a man who is already worried about Hal-like artificial intelligence even before that s...