As a matter of fact, most cases of food poisoning are never linked back to their source.

The people designing the weapons literally often didn't know how they were being handled in the field by the Air Force - and a lot of people in the Air Force didn't understand some of the dangers. There's a very strong element of madness in this.

Basically, I'm a perpetual student. I start by finding a subject I really don't know very much, but that I'm curious about. I learn about it through books in a library, by doing interviews with people who know a lot about the subject, and by going out on my own and seeing for myself what's happening.

Yes, a cheeseburger and fries is probably my favourite meal. But I don't eat ground beef anymore.

The way we eat has changed more in the last 50 years than in the previous 10,000…. Now our food is coming from enormous assembly lines where the animals and the workers are being abused, and the food has become much more dangerous in ways that are deliberately hidden from us. This isn’t just about what we’re eating. It’s about what we’re allowed to say. What we’re allowed to know.

The life's work of Walt Disney and Ray Kroc had come full-circle, uniting in perfect synergy. McDonald's began to sell its hamburgers and french fries at Disney's theme parks. The ethos of McDonaldland and of Disneyland, never far apart, have finally become one. Now you can buy a Happy Meal at the Happiest Place on Earth.

There's been a growing effort to kick soda out of the schools. And governors as different as Arnold Schwarzenegger in California and Mike Huckabee in Arkansas have worked hard to get soda and junk food out of their state schools, which is good.