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.

Most fast food is fried. Fried food tastes great, and people dont seem to care about the fat aspect.

I've written about illegal immigrants in the United States; I spent a year following migrant farm workers as they were harvesting. I've written about our criminal justice system, and how it treats the victims of crime. I've been working for years now on a book about prisons in America, and I've been going into prisons and traveling around the country and seeing what's going on.

The United States now has more prison inmates than full-time farmers.

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.

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

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.