This episode's headline: End in Sight?; Crash of Confidence; Transplants; Angel of Rock. The guests include In Washington: JOSE ANTONIO FONT, Cuba National American Foundation; In Boston: THOMAS Juster, University of Michigan; FRANCO MODIGLIANI, Massachusett Institute of Technology; In New York: JANE BRYANT QUINN, Newsweek; FROM NEWSHOUR CORRESPONDENTS: ELIZABETH BRACKETT; FRED SAM LAZARO; PENNY STALLINGS. Byline: In New York: ROBERT MACNEIL, Executive Editor; In Washington: JUDY WOODRUFF, Chief Washington Correspondent