It doesn't matter that Hail, Caesar! barely hangs together. It's too much fun to watch. Joel and Ethan Coen have given us more than their share of bone-chilling noir and ink-black comedy; they've made films that deal with morality and mortality and the divine absurdity of existence. With Hail, Caesar!, they've forgone the brow furrowing and decided to revel in their favorite topic of all—movies. by Ned Lannamann