As an investigative reporter, I'm trying to uncover things and expose them to create a dialogue.

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

I went into the library and read about fast food and became amazed by all the stuff I didn't know. I learned that there is a whole world behind the counter that, it seemed to me, has been deliberately hidden from the public.

A public outcry usually masks a private obsession.

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.

The fear of murder has grown so enormous in the United States that it leaves a taint, like the mark of Cain, on everyone murder touches.

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.