This episode's headline: Local Protectionism. The guests include LIONEL OLMER, Commerce Department; In Indianapolis (Facilities: WFYI-TV): BOB PERRY, Union President; Rep. DANIEL COATS, Republican, Indiana. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor; KENNETH WITTY, Producer; GORDON EARLE, Reporter; Videotape Segment: LARRY GIANNESCHI, Camera; ROGER ANDERSON, Audio; DAVID PENTECOST, Editor