A Historian Asks, "What if Other Human Species Had Survived?"

The morality of the 21st century will depend on how we respond to a simple but profound question: Does every human life have equal moral value simply and merely because it is human?

Answer yes to that question and it is the end of racism, sexism, "ableism," and the insidious and subversive meme that some humans are "non-persons"because such invidious ways of thinking flownaturally from measuringhuman value subjectively.

Or to turn it around, universal human rights and equality depend on theobje...