A new court ruling is shining a spotlight on the murkiness of copyright law. The U.S. District Court of Appeals for the Ninth Circuit held Nov. 6 that unauthorized use of extensive video footage of El

A new court ruling is shining a spotlight on the murkiness of copyright law. The U.S. District Court of Appeals for the Ninth Circuit held Nov. 6 that unauthorized use of extensive video footage of Elvis Presley for a "rockumentary" was not a fair use.