FILE PHOTO: Actress Marg Helgenberger (L), star of the CBS TV network series “CSI: Crime Scene Investigation” and a member of the Screen Actors Guild, walks a picket line along with members of the Writers Guild of America at one of the gates to Universal Studios in Los Angeles, California November 5, 2007. Some 12,000 screenwriters went on strike against the U.S. film and television industry on Monday after the collapse of last-ditch contract negotiations aimed at preserving nearly 20 years of Hollywood labor peace. REUTERS/Fred Prouser/File Photo