begrudging is exactly the word. but it's wonderful how you see that developed and there are outtakes of them bickering off camera that will freeze your blood. they really didn't like each other. but they came together gradually and got to appreciate each other. and that's a charming thing to see. >> what, if in your view is roger ebert's ultimate legacy? >> i think it's the popularization of difficult films, the popularization of documentaries like "hoop dreams," foreign language films, because he brought this great credibility to everything he did, he could kind of go to bat for a small film a difficult film and people would give it a try. once you see one of these films and you see it works for you, you're open to see others. that's a great legacy. >> thank you. keep up the great work. it's an extraordinary must-see roger ebert's documentary. don't miss it "life itself,"