Tesla Motors head Elon Musk has got his head in the clouds. Actually, he's thinking about the area above our clouds: creating a way for people to live on Mars. Or, as he puts it, making life "multi-planetary."
One of the worries I have about Tesla Motors and the tremendous hype surrounding the upcoming Tesla Roadster – a legitimately tremendous vehicle – is that the realities of the company's offerings won't be as cool or as dramatic as the visions we've all read about and salivated over for the last five months. In that time, I have heard criticism about the EV start-up that says the guys in charge aren't totally committed to anything beyond the Roadster, even though Elon Musk and Martin