When you hear the word tear gas you think, well, your eyes will burn and that's it. But that whole feeling of your whole skin burning, that you can't breathe, you can't inhale, you feel suffocated - it's a very, very terrifying experience.

When I search myself carefully I do think it's from my mother. I even feel strange saying that. Most people, I believe, when they're asked profound questions about their own persona are not really able to enunciate it, because it's a combination of so many things. But certainly influences early on that I felt from my mother. I wouldn't say she was "political" per se; she was sensitive to other people.

I'd say to anyone trying to break into the business: Don't just be interested in movies. Be interested in life. Be a person. Be in touch.

Now, I have to - in my defense, I have the say that general knowledge of the deadly nature of cigarettes was not primarily in my mind and nor was it on these poor cowboys, who - many of whom who've died of emphysema since we were shooting.

In "Virginia Woolf" I had a thing which the grips called the paraplegic which was a wheelchair thing that I had made up years before where I could stand on this bicycle-like device and be pushed down the hall, and then step off it with a handheld camera.

The idea of accountability in Vietnam, Nicaragua and now Iraq - the media never has that in its quiver. When you see time after time there is no possibility of Nuremberg [war crime trials], we're doomed to have it repeated.

Well, of course the general idea was dreamed up by the advertising agency and so my job was to realize that. And we down to Lubbock, Texas, usually and onto a ranch and we would pick cowboys who looked the part and photograph them under dramatic situations - rounding up wild horses or running through streams and then reaching in and taking a drag on a cigarette.