Nos. C8-88-2631, C0-88-2672. July 20, 1990. Appeal from the District Court, Hennepin County, Franklin, J. Knoll, J. Paul R. Hannah, St. Paul, for Northwest Publications, Inc. John Borger, Faegre Benson, Minneapolis, for Cowles Media, et al. Elliot C. Rothenberg, Minneapolis, for respondent. Mark R. Anfinson, Minneapolis, amicus curiae Associated Press. Heard, considered, and decided by the court en banc. SIMONETT, Justice. This case asks whether a newspaper's breach of its reporter's promise of anonymity