This Harvard Law School video follows the negotiations between two co-owners of the HackerStar computer software company as they bitterly fight over ownership of a new product, PowerScreen. Experienced negotiations specialists Roger Fisher and Ann Berry demonstrate preparations for negotiations, application of negotiation theory, dealing with difficult clients and handling unexpected problems. Filmmakers Ellen Hovde and Muffie Meyer. See also vhs, AT # 86836. The President and Fellows of Harvard College .