An apology issued by the Miller Brewing Company over a poster that promoted a homosexual event in San Francisco by copying Leonardo Da Vinci's painting of "The Last Supper" was rejected on Monday by the leader of a national Catholic group, who charged that either the corporation doesn't "get it" or "they think we're stupid." The apology, which was released late Friday, "is nothing but a rehash" of what the company has been saying all along, said Bill Donohue, president of the Catholic League for Religious Civil Rights, in a statement of his own on Monday. "It limits its apology...