Lots of countries, like Israel, live with terrorism every day, and it doesn't impact their integrity. The big threat to America is the way we react to terrorism by throwing away what everybody values about our country - a commitment to human rights. America is a great nation because we are a good nation.

When I was 7 years old, I announced that I was going to write a book about pollution. I didn't get around to it until I was 29, but I always recognized that pollution was a theft. That it was a way of stealing something from the public - the common earth.

At the time of the Civil War, there were six democracies in the face of the planet. Today, there's 120 and they've been inspired by the American exceptionalism.

Democracy is about institutions: it's about having things like schools and judiciary and the Ford Foundation, or 'The Nation' magazine - you need progressive institutions, you know what I mean? Those are important institutions to make sure that the government functions.