 It took four and five years to get a Ph.D. I got out in 36 months. Wow. Because I was able to say, this is it. This is my thesis. Here it is. If you're really, really bright and curious, you almost never want to wrap it up. I guess I wasn't that bright and curious. Jack Welch, our exclusive guest. I'm John Resnick, and this is Legends of Success.