This episode's headline: Nuclear Freeze Issue. The guests include ANDREW KOHUT, Gallup Organization; JOHN ISAACS, Peace PAC; In Los Angeles (Facilities: KCET-TV): Rep. JOHN ROUSSELOT, Republican, California. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor; MONICA HOOSE, Producer; ANNETTE MILLER, Reporter