SCREENnPast & PresencenRumble Fish; Directed by FrancisnFord Coppola; Written by FrancisnFord Coppola and S. E. Hinton; BasednonanovelbyS.E.Hinton;Universal.nby Stephen MacaulaynAn individual is the sum of his memoriesnand his dreams. That, of course, isnno great revelation; the Greeks werenscripting plays about it thousands ofnyears ^o. Nowadays, however, the . . .