[Editor's Note: I've evidently had mixed luck in getting our podcasts guests to join in our blogging (Azzurra, Josh, and Sabrina, this means you!), but Robert here is has been eager to join in. You can read much more of him at outsideofeden.com. -ML]
If you find working your way through the Summa Theologica or completing a course in medieval philosophy a bit daunting, you can skip the hard work and take a three minute crash course in the works of Thomas Aquinas courtesy of YouTube instead.
I can't for the life of me figure out why the first 20 seconds involves Thomas Edison, but the rest of the clip is a neat summary of Aquinas' arguments for the existence of God through reason alone. The unmoved mover and the first cause arguments raised here are discussed in some detail in Episode 43.