I want to talk all about Margo Channing.
Specifically, how she is the perfect foil for Eve Harrington and a real subversion of the paranoid bitchy Diva persona that I think people assume she is when they absorb All About Eve's place in the Bette Davis zeitgeist. See, I was definitely expecting this to be a movie about how show business creates a cycle of female monsters who tear each other down, a real cat and mouse dance. But even…