This episode's headline: Path to Peace; Media Mergers; Conversation; Putting it Together. ANCHOR: JIM LEHRER; GUESTS: DAVID MAKOVSKY, Washington Institute for Near East Policy; EHUD SPRINZAK, Lauder School of Government; MOHAMMED WAHBY, Al Mussawar Magazine; RASHID KHALIDI, University of Chicago; AMITAI ETZIONI, Author, ""The Limits of Privacy""; CORRESPONDENTS: FRED DE SAM LAZARO; BETTY ANN BOWSER; SUSAN DENTZER; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; ROGER ROSENBLATT; KWAME HOLMAN