This episode's headline: Ruling the Evidence; Supreme Court Decisions; Testing Sanity; San Francisco Conservation Corps; Book Review: "". . . And Ladies of the Club"". The guests include In Boston: Prof. ALAN DERSHOWITZ, Harvard Law School; In Washington: PAUL KAMENAR, Washington Legal Foundation; ELIZABETH OLSON, United Press International; In New York: A.C. GREENE, Book Critic. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor; Reports from NewsHour Correspondents: STEVE ROWE (Visnews), in Beirut; LEE LUSE (KCTA), Minneapolis-St. Paul; SPENCER MICHELS (KQED), in San Francisco; NANCY NICHOLS, in Xenia, Ohio; VALERIE JONES (BBC), in London