A former Jewish grand rabbi Mordechai Eliahu has laid down the law on amateur operatics in the shower: you can hum but you can't sing. "You will not sing in the shower," the former leader of Israel's Sephardic Jews instructed a listener inquiring about Talmudic laws on an ultra-Orthodox religious radio programme. Rabbi Eliahu explained that the Hebrew language, holy to the Jewish religion, was not to be sullied by use in a bathroom, Wednesday's edition of Yediot Ahronot newspaper reported. But the rabbi, considered a religious authority in world Judaism, went on to soften his stand. "To hum without...