Amicus Weigh in on Grokster Cert Petition. The AP reports that "Court Urged to Hear File-Sharing Case." From the article: "The filings are designed to support a petition made last month by a coalition of major recording companies and Hollywood movie studios who asked the court to reverse lower court decisions clearing Grokster Ltd. and StreamCast Networks Inc. of liability for their customers' online swapping of movies and music."