This episode's headline: Newsmaker; Investigating Enron; Super Game. ANCHOR: JIM LEHRER; GUESTS: DONALD RUMSFELD; CHARLES ELSON; JOHN FAHY; JOHN COFFEE; PETER RICHMOND; CORRESPONDENTS: KWAME HOLMAN; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; KWAME HOLMAN