Sam Harris responds to Jonathan Haidt, and demonstrates that he certainly hasn't lost his edge:
He admonishes us to get it into our thick heads that many of our neighbors "honestly prefer the Republican vision of a moral order to the one offered by Democrats." Yes, and many of them honestly prefer the Republican vision of cosmology, wherein it is still permissible to believe that the big bang occurred less than ten thousand years ago. These same people tend to prefer Republican doubts about biological evolution and climate change. There are names for this type of "preference," one of the more polite being "ignorance."