I've been encouraging documentary filmmakers to use more and more humor, and they're loath to do that because they think if it's a documentary it has to be deadly serious - it has to be like medicine that you're supposed to take. And I think it's what keeps the mass audience from going to documentaries.

If we don't participate in it, it ceases to be a democracy. So Obama will rise or fall based not so much on what he does but on what we do to support him.

Because I have an opinion, I have become public enemy number one to the Fox News Channel and the right wing.

Here's what I don't think works: An economic system that was founded in the 16th century and another that was founded in the 19th century. I'm tired of this discussion of capitalism and socialism; we live in the 21st century, we need an economic system that has democracy as its underpinnings and an ethical code.

I just decided to make a movie. I had no training, no film school, but I had been to a lot of movies.

There is no terrorist threat. Yes, there have been horrific acts of terrorism and, yes, there will be acts of terrorism again. But that doesn't mean that there's some kind of massive terrorist threat.

I want Americans to realize that we are the owners of this country, and that one person can make a difference.