'Film credits from the 1920s revealed imprecision in copyright claims that some experts say could invalidate Disney's long-held copyright, though a Disney lawyer dismissed that idea as "frivolous." Although studio executives are not yet hurling themselves from the parapets of Sleeping Beauty's castle, the unexpected discovery raises an intriguing question: Is it possible that Mickey Mouse now belongs to the world — and that his likeness is usable by anybody for anything?" [LAT]