these ideas don t get old. unwrap the stories behind everything we love to watch at christmas. a two-hour special event. tis the season, the holidays on screen. tomorrow at 8:00 on cnn. up ahead, was pandora. you grew up hearing about it. but i never figured i would be going there. with avatar, james cameron wants to bring back the spectacle of the 3d movie. and, it is geared toward the theatrical experience which i figure is part of james cameron s genius. he wants to make a movie that makes you have to see it in a theater. you should see your faces. studios were really in love with preexisting intellectual properties. avatar was an idea he had been ruminating on for a long time. it s original. and, that is a wildly risky