Hollywood is divided into two basic groups: the first group is the one-project types, the serial types. The second, the hedgers, the plates-in-the-air guys. Writers, directors, actors are in the first group – these are the people who do one thing at a time. They tend to immerse themselves in a project, focus on it, care about it. A writer will write a script, then worry over a rewrite, then tweak it and polish it and get notes on a second draft, do that, and….then wait...