Christian philosophers William Lane Craig and Peter S. Williams debate atheists Arif Ahmed and Andrew Copson on the topic: This House Believes That God is Not a Delusion. It took place before a packed house at the Cambridge Union Society on 20th October 2011, as a part of William Lane Craig's Reasonable Faith Tour 2011. Want to hear every audio debate by William Lane Craig? Check out the audio debate feed here.

Full Debate MP3 Audio here. (1hr 30min)
Enjoy.