A while ago, I recorded a philosophy podcast with Luke Muehlhauser on Possible Girls, the Humean theory of motivation, and my version of hedonic utilitarianism. He's gone to the trouble of transcribing the whole thing so anyone interested can click over there and read it or download it to listen as you please.
Luke has been doing this sort of thing for a while with lots of philosophers (including ethics people Stephen Finlay, Don Loeb, and Ruth Chang) and he asks good questions.
Reader poll #8: how much philosophy have you studied?
27 minutes ago