If you’d like to read up on the epistemology of moral disagreement, you can have a look at:

Adam Elga, ‘Reflection and Disagreement

Tom Kelly, “Peer Disagreement and Higher-Order Evidence

Those two articles set the stage for the following article by Kieran Setiya:

Kieran Setiya, “Does Moral Theory Corrupt Youth?

In addition, keep your eye open for his forthcoming monograph: Kieran Setiya, Knowing Right From Wrong

Matt Teichman