I'd been eating fast food all my life without thinking about it. And the more I learned about the subject, the more intrigued I became.

The history of the twentieth century was dominated by the struggle against totalitarian systems of state power. The twenty-first will no doubt be marked by a struggle to curtail excessive corporate power.

I think for real change to happen, it's going to have to come from the kids, the community, the teachers, the parents.

Fast food is inexpensive, convenient, and it tastes good. I'm all in favor of that. My problem is how heavily processed it is - how full of salt, fat, and sugar it is.

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.

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

I really like visiting schools, but what I tell students isn't anywhere near as interesting to me as what they tell me.