I already know that "Inglourious Basterds" has action scenes. I already know that Brad Pitt is chewing every piece of scenery he can find. I know what the Basterds do and I know what they plan to do (blow up a theatre where the Nazi high command is watching a moving picture). What I still don't know is how Mlanie Laurent and Christoph Waltz's character figure into this whole shebang. We see