"The entire history of the human race, the rise of man from the caves, has been marked by transfers of cultural advances from one group to another and from one civilization to another." So said economist, social philosopher, and historian Thomas Sowell in a 1990 speech titled "Cultural Diversity." (Watch it here. I also recommend this lecture by Nigel Biggar.) By cultural diversity Sowell did not mean the still-fashionable sense of that term. He has in mind what might be called culture without romance, echoing James Buchanan and the Public Choice school's economics without romance. What does...














