This is the website of philosopher Stephen Law. Stephen is the editor of the Royal Institute of Philosophy Journal THINK. He has published several books and is senior lecturer in philosophy at Heythrop College, University of London. For school talks and media email Stephen: Think at RoyalInstitutePhilosophy.org.
Excellent questions and discussion! Bravo Richard and Stephen.
I responded to the infinite regress argument in my book:
https://skepticink.com/debunkingchristianity/2013/03/14/the-infinite-regress-argument/
I made one of his statements into a poster:
https://skepticink.com/debunkingchristianity/2013/03/14/what-justifies-the-scientific-method/
Terrific video, loved it.
Both studs, great video guys.