A comedy writer and director who paid his dues writing and producing TV sitcoms before making his feature film directorial debut with "Miami Rhapsody" (1995), which featured Sarah Jessica Parker as a woman who doesn't believe that any relationship or marriage can ever really work.The son of Max Frankel, former executive editor and later columnist for THE NEW YORK TIMES, David Frankel toyed with becoming a political humorist. After graduation from Harvard, his first professional assignment was an article for ESQUIRE about John McEnroe, the tennis star against whom Frankel had competed when they