We didn't know anything about comedy duos - Abbot and Costello, Martin and Lewis - we didn't know anything about that. Kim Fields showed us a tape of Martin and Lewis and their old shows and they come through the curtain so we started doing research on them.
I don't like when actors go around and talk a ton about how they approach their roles, because it's a little like pulling the curtain back on Oz, for me.
You could get in rehearsals, pre-production, anything that would actually contribute to the understanding of how a film gets made. I actually find those things increase people's interest in a movie and like that better than worrying about showing the tricks behind the curtain.
You cannot see the Grand Canyon in one view, as if it were a changeless spectacle from which a curtain might be lifted, but to see it, you have to toil from month to month through its labyrinths.
Before Enron, I think people were a bit more naive about the way things worked, and I think Enron pulled the curtain back on unsavoury practices that turned out to be a lot more widespread.