“He’s not terribly good with the ordinary aspects of life — paying bills, say, or car washing. He’s too consumed with inventing solutions to the world’s problems. Ideas — really big ideas — keep bombarding his mind. “It’s like the rain forest. Every afternoon, the rains come.” Bloomberg’s Ashlee Vance on how an F student became America’s most prolific inventor. (I’m more like an A minus student in a time of endless drought.)