This is from the John Ankerberg show. Dr. Sproul asks questions that non-xians might ask while Dr. Gerstner answers them.
http://www.youtube.com/watch?v=i61I1ND45ts
http://www.youtube.com/watch?v=h5C1mYedU9A&feature=related
http://www.youtube.com/watch?v=JL6jmokdICc&feature=related...