The whole discussion is about political intrigue, but this bit is solid gold. I snipped the quote a little to be even more concise, for I tamper with greatness:
That said, I can boil down the advice to two questions I ask of each character:
* What does he or she want?
* Why can they not just have that?
And point to another character when answering these questions (either or both of them).
It doesn’t get much tighter than that. Kneel before Zod.