There are some audiences who are uncomfortable with the ambiguity, though. They want a film to chew their food for them, they want Hollywood endings that tie everything together in the end and answer all of the questions. They are usually people on one extreme of the political spectrum or other and they haven't been happy because the film is not polemical enough on their side. They aren't usually people who aren't interested in understanding points of view that they disagree with - they just want to attack their opponents - and I'm ok with them not liking the film.

I've always been curious in why different people believe the things they do and do the things they do - in the different ways that people live.

I have a point of view on the issues, but it's a complex point of view that really can't be summed up in a sentence or two. I'm not being intentionally vague or mushy, it's just that - in my mind - the real answer is complicated.

I think that any time you are making a film you have to realize that the people you are talking with might be giving you misinformation. Sometimes it is factually incorrect and for that, it's important to me to check it out and not let things find their way into the film without being challenged, either by me, or by another character, or by evidence that you might see on screen.

I think if the extremists were happy with my films, I'd start to worry.

I have wondered if I might be placed on a watch list of some sort by the government, though. I know that the documentary filmmaker Laura Poitras, who is a friend and who has made documentaries about controversial Middle Eastern terrorists has had trouble at customs when she travels internationally - but nothing like that has happened to me.

There are some audiences who are uncomfortable with the ambiguity, though. They want a film to chew their food for them, they want Hollywood endings that tie everything together in the end and answer all of the questions. They are usually people on one extreme of the political spectrum or other and they haven't been happy because the film is not polemical enough on their side. They aren't usually people who aren't interested in understanding points of view that they disagree with - they just want to attack their opponents - and I'm ok with them not liking the film.