Audio recordings of interviews conducted by a manufacturer’s outside counsel are not shielded from discovery in a lawsuit the corporation filed against three former executives, a federal judge has held.In a written opinion this week, U.S. Magistrate Judge Susan E. Cox rejected the argument that the recordings are protected by the attorney-client privilege or the work-product doctrine.Cox conceded the interviews were part of a bid by The Manitowoc Co. Inc. to show the former executives used proprietary information in …