Morality: Goal Theory vs Desirism

Here are two atheists, Richard Carrier and Mike McKay, debating morality some time back. I am showing this because I think I will be doing a post or two on desirism at some point, a la Alonso Fyfe. I do have fairly similar views to Carrier's on morality but desirism looks an interesting project.

&list=PL28653CA5A6D804A0 The videos should automatically play one after the other for the debate.