Bernard Lewis looks at the new era in the Middle East. With the departure of imperial powers, the region must now, on its own, resolve the political, economic, cultural, and societal problems that prevent it from accomplishing the next stage in the advance of civilization.

Michael Spence, a senior fellow at the Hoover Institution and the Philip H. Knight Professor Emeritus of Management in the Graduate School of Business at Stanford University, discusses his new book, The Next Convergence: The Future of Economic Growth in a Multispeed World. Spence also talks about the global changes and emerging economies.