This episode's headline: Path to Peace; Cisco Systems - Master of the Internet; Joyful Noise. ANCHOR: JIM LEHRER; GUESTS: HANAN ASHRAWI, Palestinian Legislative Council;YULI TAMIR, Cabinet Minister, Israel; CORRESPONDENT: OSEPH LELYVELD, Executive Editor, New York Times; DANA CANEDY, Reporter, New York Times; MARY CHILDERS, Author/Educator; KEITH WOODS, Poynter Institute for Media Studies; ROGER WILKINS, Journalist/Historian; CORRESPONDENTS: FRED DE SAM LAZARO; TERENCE SMITH; BETTY ANN BOWSER; SUSAN DENTZER; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; ROGER ROSENBLATT; KWAME HOLMAN