We usually break the story first. For instance, on The Monuments Men, and this one is more complicated because there's a lot of history, so before we started, we sat down with Robert Edsel, the author of the book, for about a week, and basically, he just gave us a lecture and went through everything. And then, I had a researcher, somebody who we had actually used on Argo.
The theory of evolution by cumulative natural selection is the only theory we know of that is in principle capable of explaining the existence of organized complexity.