This episode's headline: If Not Gary, Who?; Interest Rates: The Debate Continues; Air Travel: How Safe?; Space Shuttle: What Went Wrong?; Sherm Feller: Baseball and Symphony. The guests include In San Francisco: JOHN WILSON, Bank of America; In Washington: MANUEL JOHNSON, Treasury Department; In Cape Canaveral: JESSE MOORE, National Aeronautics and Space Administration. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor; JUDY WOODRUFF, Correspondent; Reports from NewsHour Correspondents: GAIL HARRIS (WGBH), in Boston