Bill Clinton: “I do sleep more now than I used to, and I sleep more on planes than I used to, but I have to keep working. It's what I…”

“I do sleep more now than I used to, and I sleep more on planes than I used to, but I have to keep working. It's what I should do. I mean, I -- that's what my life is for. I was given a good mind, a strong body. And, you know, I've had a wonderful life, and it would be wrong for me not to work.”