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Is there a "morality gene"?

Name: Is there a "morality gene"?
Uploaded: 2012-11-18T11:30:00-0500
Duration: 1 min 36 s
Description: Yale psychology professor Paul Bloom tells Lesley Stahl about a population of humans who have less empathy and are more likely to be violent. Can you guess who they are?

Yale psychology professor Paul Bloom tells Lesley Stahl about a population of humans who have less empathy and are more likely to be violent. Can you guess who they are?