I've had problems with this division periodically, and I finally have a form of the division I like: those who believe in moral complexity, and have five bases of moral instinct guiding their reason, and those who believe in only two bases to guide their reasoning and are famously in search of new things. Oddly enough, the theory was proposed by an atheist liberal, Jonathan Haidt, who is nonetheless eloquent on its consequences and problems. Check out this video of a short talk on the subject ... read more
