American icon - tall, built, brave. And hot. But now, as Superman is set to fly onto the big screen next week, bringing truth, justice and rippling muscles to a new generation of moviegoers, there comes word that the Man of Steel has a secret. The man behind the red cape is a Yeshiva boy. Superman - Jewish? "Only a Jew would think of a name like Clark Kent," says Brooklyn Rabbi Simcha Weinstein. "He's the bumbling, nebbish, Jewish stereotype. He's Woody Allen. Can't get the girl. Can't get the job - at the same time, he has this tremendous...