SAN FRANCISCO (Reuters) - A prominent California-based religious group is calling on Arnold Schwarzenegger to set the record straight over a 1977 interview in which the Republican candidate for California governor discussed taking part in an orgy and using marijuana. Californians for Moral Government said it wanted the action star to "come clean and fully repent and repudiate the years of sexual promiscuity that have been reported," the Rev. Louis Sheldon, the group's chairman, said on Friday in a letter. Californians for Moral Government is a project of the Traditional Values Victory Fund, part of the Traditional Values Coalition (news...