This episode's headline: Nuclear Challenge; Drug Failure; Recorded History; Life of the Party. ANCHOR: JIM LEHRER; GUESTS: PAUL LEVENTHAL; DAVID ALBRIGHT; JESSE JACKSON; SEN. JOHN BREAUX; REP. TIM RYAN; CORRESPONDENTS: KWAME HOLMAN; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; KWAME HOLMAN The recording of this episode is incomplete, and most likely the beginning and/or the end is missing.