An 800-year decline in violence?

Part Two of "The Best of Times."

This week in the Cosmopolitan Globalist, my father, David Berlinski, examines Steven Pinker’s claim that we live in the most peaceful time in history.

Yesterday, in Part I, he discussed the problem of reference-class ambiguities. Today, in Part II, he asks whether the historical record truly supports the claim that homicides have been on an 800-year dec…