His books are an expanded version of his TED talk: https://www.ted.com/talks/steven_pinker_on_the_myth_of_violence/up-next https://www.ted.com/talks/steven_pink

His books are an expanded version of his TED talk: https://www.ted.com/talks/steven_pinker_on_the_myth_of_violence/up-next https://www.ted.com/talks/steven_pinker_on_the_myth_of_viole...