This episode's headline: Embassy Takeover; Newsmaker; Rating the Prime; The Maestro. ANCHOR: JIM LEHRER; GUESTS: ALVIN ADAMS, Former Ambassador to Peru; MARC CHERNICK, Georgetown University; WILLIAM PERRY, Secretary of Defense; KAY KOPLOVITZ, USA Networks; KATHRYNE MONTGOMERY, Center for Media Education; DICK WOLF, Producer, ""Law and Order""; DR. MARGIE HOGAN, American Academy of Pediatrics; MARCELLO MASTROIANNI; CORRESPONDENTS: CHARLES KRAUSE; GABY RADO; CHARLES KRAUSE;
