Sony has canceled tours of its Culver City, Calif., studios in the wake of hacker threats which have already scuttled the release of the Seth Rogen and James Franco film, "The Interview." Tours were canceled last week and will not resume this year, The Hollywood Reporter said. The two-hour guided walking tour takes guests through sound and scoring stages as well as the sets of TV shows such as "Jeopardy" and "Wheel of Fortune," according to the website. The studio is concerned that someone could stray from the group, TMZ reports. As of this writing, tours through Jan.