Film Junkies (update)

It’s Oscar season and Hollywood is once again celebrating the best films of the year. It would seem we're a nation that's obsessed with movies, spending billions of dollars to watch them every year, and celebrating them with a variety of awards ceremonies. But what separates a classic from a box office disaster? This hour, we turn to a few of the people who know film best -- the critics, actors and directors who've devoted their lives to the si