Maybe he's just done too many 16-hour days in a row. I don't personally agree with the direction of his work. Like, Mars? Why really? But the world would be a

Maybe he's just done too many 16-hour days in a row. I don't personally agree with the direction of his work. Like, Mars? Why really? But the world would be a better place with more CEOs with longterm vision and persistence, and fewer twittertwits.