7PM This episode's headline: How's Business?; Gene Breakthrough. The guests include In Detroit: ROGER SMITH, Chairman, General Motors; In New York: Akio morita, Chairman, Sony; GIOVANNI AGNELLI, Chairman, Fiat; In Boston: Dr. DAVID NATHAN, Children's Hospital; REPORTS FROM NEWSHOUR CORRESPONDENTS: JUNE MASSELL. Byline: In New York: ROBERT MacNEIL, Executive Editor; CHARLAYNE HUNTER-GAULT, Correspondent; In Washington: JIM LEHRER, Associate Editor
