McDonald's has been extraordinary at site selection; it was a pioneer in studying the best places for retail locations. One of the things it did is study very carefully where sprawl was headed.

The obesity epidemic among American children is becoming so bad that I think there's a growing realization across the country that we've got to change what we're feeding our kids and that school may be a really good place to start.

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.

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

The current fast food that we have is inexpensive when you buy it, but the long-term costs of eating it and the long-term costs to society, are much too high. This cheap food, when you add up all the total costs, is much too expensive.

Fast food is popular because it's convenient, it's cheap, and it tastes good. But the real cost of eating fast food never appears on the menu.

Students can do experiments and investigate for themselves what's going on in restaurants, in our food system, and begin a process of learning.