Native American characters have been the most malleable of metaphors for filmmakers. The likeable Doc of Stagecoach (1939) had audiences on the edge of their seats with dire warnings about "that old butcher, Geronimo." Old Lodgeskins of Little Big Man (1970) had viewers crying out against the demise of the noble, wise chief and his kind and simple people. In 1995 Disney created a beautiful, peace-loving ecologist and called her Pocahontas...