The following is the full version of an interesting debate concerning the existence of God. Both the debaters are highly educated and almost frighteningly intelligent. Dawkins is a Biologist and a self proclaimed militant atheist. Lennox is an Irish Mathematician and a Theist. Incidentally, both are professors at Oxford.
http://www.fixed-point.org/index.php/video/35-full-length/164-the-dawkins-lennox-debate
http://www.fixed-point.org/index.php/video/35-full-length/164-the-dawkins-lennox-debate