Alan (on why he won't discuss Snape): I never talk about Harry Potter because I think that would rob children of something that's private to them. I think too many things get explained, so I hate talking about it. Some child would read something I said and go, `You mean it's not in my head, I'm not imagining that.' So pardon me if I don't talk about it. Until it's [the Potter film franchise] over, it should be left uncommented.