Whatever happens before it, the finale is a doozy, almost certain to be satisfying to fans and impressive even to the casual Twilight viewer.But so much of what comes before that payoff in Breaking Dawn ??? Part 2, the conclusion to The Twilight Saga, is mundane, dull, all talk and no action.it is a made-for-Lifetime movie about teen vampires, with talk-talk-talking leads muttering romance no