Labor exploita­tion! Cor­po­rate prof­i­teer­ing! Gov­ern­ment cor­rup­tion! The 21^st cen­tu­ry can look a lot like the 18^th. In the final episode of a series, we turn to ​“the father of eco­nom­ics” for solu­tions. (Part 3 of ​“In Search of the Real Adam Smith.”)