The first thing is that we're being attacked by both the Writers Guild and the Producers Guild. Both of these groups are trying to diminish the importance and strength of the director. They're trying to do it through both frontal and side attacks.
Then I usually leave the choice of the second assistant director and any other assistant directors to the first assistant director, who will choose because he or she is responsible for the conduct and the efficiency of the second assistant directors.
There are so many effects and so many things that are done digitally now that it's so hard for the director to really control the process, because there are more and more experts that come in.
There are two things I will never do in my life. I will never climb Mount Everest, and I will never work with Val Kilmer again. There isn't enough money in the world.
To do that I try and keep myself in pretty good shape physically and I try to lead my life in such a way that I'll be able to be as strong at the end of the movie as I am in the beginning.
You have to really work with someone who you think is going to be a collaborator, who you think understands what you want to do with this movie and how you want to do it.