Cass R. Sunstein argues that the key to preventing the spread of extremist views is ensuring that like-minded groups encounter a diversity of opinions within civil society.

In this timely monograph, Paul L. Joskow argues that the crisis in the financial market should not become an excuse for reversing beneficial regulatory reforms in other sectors.

Why Groups Go to ExtremesBy Cass R. SunsteinAEI Press, September 2008, $10.00