  First, the entry ignores global skepticism, which doubts the possibility of anyone’s having any knowledge at all. Thus, it ignores the threat of an unstoppable regress in justifications and Cartesian evil demon scenarios. Nor does it take up the debates between foundationalists and coherentists about the structure of justification. These issues (with an exception to be noted) do not raise problems special to moral epistemology. But see the entry for Moral Skepticism.