“24″ wraps up its season on Fox this Monday with a two-hour finale — and Jack Bauer fighting for his life.  Over the show’s seven seasons, Bauer — and the actor who plays him, Kiefer Sutherland — has faced an incredible number of tests, and Sutherland feels his experience on the series has made him a much better actor. (CLICK ON THE MEDIA BAR BELOW TO HEAR KIEFER SUTHERLAND)