"We have been steadily..expanding the moral sphere to include more members of our species (& now even other species)" http://www.cato.org/policy-report/januaryfebruary-2015/science-reason-moral-progress?utm_campaign=naytev&utm_content=54d0f991e4b0b078216e4e5f …
8:40 AM - 3 Feb 2015
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