Stephen Sackur speaks to the psychologist and writer, Steven Pinker. His new book, Enlightenment Now, is a paean to human progress. How convincing are his reasons to be cheerful? Show more
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Stephen Sackur speaks to the psychologist and writer, Steven Pinker. His new book, Enlightenment Now, is a paean to human progress. How convincing are his reasons to be cheerful? Show more
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