Contributor(s): Professor Amartya Sen | In the first dialogue of the Global Policy Dialogue series, Amartya Sen and David Held will discuss Sen's new book, The Idea of Justice. Injustices in the contemporary world include global inequities as well as disparities within nations. Understanding the demands of justice in each context requires public reasoning, and the challenges of global justice specifically call for global public reasoning. The Idea of Justice also investigates the contributions of human rights movements to the removal of some of the nastiest cases of injustice in the world in which we live.