In 1776 Adam Smith (1723-90) wrote The Wealth of Nations, a book so foundational that it has led to him being called the "father of economics." Today he is associated with the promotion of self-interest, a defense of greed and a criticism of any governmental 'interference' in market transactions which, if left to the 'invisible hand', will produce prosperity and liberty. Yet if Smith is actually read these associations are more a caricature than a...