Fall 1979 Articles  Collateral Estoppel and the Mass Produced Product: A Proposal Michael Weinberger  The Federal Discovery Rules: A Look at New Proposals   Paul Perlman  Notes  Educational Malpractice and Minimal Competency Testing: Is There A Legal Remedy at Last  Jay M. Pabian  High-Demand Sects: Disclosure Legislation and the Free Exercise Clause  Charles Rosenzweig  Impeachment…