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

We're all connected by the system, and we all have to be a part, I think, of changing it.

I think there could hardly be a more important subject than health and nutrition.

If the market does indeed embody the sum of all human wishes, then the secret ones are just as important as the ones that are openly displayed.

Congress should ban advertising that preys upon children, it should stop subsidizing dead-end jobs, it should pass tougher food safety laws, it should protect American workers from serious harm, it should fight against dangerous concentrations of economic power.

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

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.