Robert Downey Jr. finally gets his big paycheck job with Iron Man, adapted from Marvel’s comic book series. Hollywood-Elsewhere’s Jeffery Wells calls it underwhelming: “I was never twitching in agony, but the advance word had suggested it might lift me out of my chair. Forget it.” He’s also troubled by “the jingoistic get-the-dumb-terrorists plot that John McCain or Dick Cheney will be totally delighted by if and when they see it. That's supposed to......