A Diminishing Immigration?

In 1998, Thomas Sowell, one of the brightest North American conservative economists of the past five decades, relying on an essentially qualitative, historical, social, and empirical methodology, published "Conquests and Cultures: An International History," the third volume of his monumental trilogy on cultures (Race and Culture, 1994; Migrations and Cultures, 1996). In the last book of the series, Sowell, after defining "cultural capital" as the set of habits, values, work ethics, specific skills, attitudes towards education, and discipline