A Rockwell Portrait: An Intimate BiographySynopsis: In the late 1960's Norman Rockwell seemed as passe as the couples he portrayed sipping a soda from two straws. The old Saturday Evening Post, for which he had painted covers for more than fifty years, had ceased publication, His one man show in his native New York City a life long dream for Rockwell had opened at Dannenberg Galleries on upper Madison Avenue. The reviews were scathing. Yet Donald Walton, then an executive with the Franklin