
In 2008, Elon Musk was sleeping on friends’ couches. He had put his entire PayPal fortune into a rocket company that had just exploded three times in a row, and the fourth attempt wa…

In 2008, Elon Musk was sleeping on friends’ couches. He had put his entire PayPal fortune into a rocket company that had just exploded three times in a row, and the fourth attempt wa…