Defining dialogue: "This isn't 'Nam. This is bowling. There are rules." The story comes from "The Big Sleep," the characters from the Coens' longtime friends. And lest you think "A Serious Man" marks their first foray into Judaica, remember John Goodman's Walter, a converted Jew who doesn't bowl on Shabbat and proudly cites Zionist author Theodor Herzl ("If you will it, it is no dream.").