More than a billion adults worldwide are now overweight - and at least 300 million of them are clinically obese. Childhood obesity is already epidemic in some areas and on the rise in others. Worldwide, an estimated 17.6 million children under five are said to be overweight.

Lily Tomlin said something years ago, and I'm paraphrasing, that you have to find humor in everything, because by finding humor, you find humanity.

I think we've unplugged and become very apathetic to a lot of things that are happening. There's so much going on and we're sort of disconnected.

People were always pointing the finger at the fast food industry. And I was a big fan of personal responsibility - you know, no one is forcing you to eat. We're not geese being stuffed with corn.

Seventy-five percent of Americans don't even have passports. We don't even think about traveling beyond our borders.

I enjoy telling these stories that I ultimately think get a disservice on a lot of network television. I enjoy getting people to change their perspective. I enjoy pushing myself into learning and understanding things from a very different point of view. It's scary to do that. It's scary to kind of put yourself in somebody else's position.

My mother did an incredible job - one, of just being a great mom, but two, of instilling a tremendous amount of empathy into me as a young man, as a young person. My mom was kind of this collector of people; throughout my childhood, it didn't matter who you were. She was a high school counselor and then a junior high counselor, and she didn't just counsel students, she counseled other teachers and administrators and coaches.