NEW YORK (AdAge.com) -- Even as he came on stage to give the keynote address at the National Association of Broadcasters Show in Las Vegas, it was obvious that Tim Robbins' remarks had caused controversy backstage. The Academy Award-winning actor and critically acclaimed screenwriter, director and producer first indicated to the audience that he would not be giving his speech. Then, floor agents of the NAB organizers ordered journalists' video cameras turned off. An NAB spokesman later said Mr. Robbins contract had a "no filming" clause. Ultimately, Mr. Robbins changed his mind and started talking. Listen to the six best minutes of the speech.