This episode's headline: At the Controls; I Spy?; One for the Road; Noteworthy Film. The guests include CAPT. AL HAYNES, United 232 Pilot; GEORGE CARVER, Intelligence Specialist; STANISLAV LEVCHENCKO, Former KGB Official; DAVID WISE, Author; CORRESPONDENTS: TOM BEARDEN; JOANNA SIMON. Byline: In New York: ROBERT MacNeil; In Washington: JAMES LEHRER