Is ‘Do Unto Others’ Written Into Our Genes?

Interesting article on morality, but in my view, the analysis breaks down when discussing differences in morality between conservatives and liberals...

Where do moral rules come from? From reason, some philosophers say. From God, say believers. Seldom considered is a source now being advocated by some biologists, that of evolution.
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He likens the mind’s subterranean moral machinery to an elephant, and conscious moral reasoning to a small rider on the elephant’s back. Psychologists and philosophers have long taken a far too narrow view of morality, he believes, because they have focused on the rider and largely ignored the elephant.

Dr. Haidt developed a better sense of the elephant after visiting India at the suggestion of an anthropologist, Richard Shweder. In Bhubaneswar, in the Indian state of Orissa, Dr. Haidt saw that people recognized a much wider moral domain than the issues of harm and justice that are central to Western morality. Indians were concerned with integrating the community through rituals and committed to concepts of religious purity as a way to restrain behavior.