This episode's headline: Shamir Comes to Power; Nurse Practitioners; Syndication Turf Battles. The guests include HAROLD SACHAR, George Washington University; DEAN BURCH, Association of Independent Television Stations; WILLIAMLILLEY III, CBS; In Chicago (Facilities: WTTW-TV): EHUD OLMERT, Israeli Knesset Member; In Boston (Facilities: WGBH-TV): LORETTA FORD, University of Rochester School of Nursing; In New Orleans (Facilities: WWL-TV): Dr. GERALD GEHRINGER, American Academy of Family Physicians. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor; Report from NewsHour Correspondent: CHARLAYNE HUNTER-GAULT, in New York; LESTER M. CRYSTAL, Executive Producer