Undergraduate economics students begin and end their study of economics with the simple claim that economics is value free. Only in a policy role will values and beliefs enter into economic work; there can be little meaningful dialogue by economists about such personal views and opinions. This view, now well over 200 years old, has been challenged by heterodox thinkers in economics, and philosophers and social scientists outside the discipline all along the way. However, much of the debate in modern times has been narrowly focused on philosophical methodological issues on one hand or...