South and North Korea are to expand economic cooperation for balanced development and co-prosperity.

CNN: Korea accord's eight points

EU's enlargement to include ten new member countries, which took place last May, was sold as a golden opportunity to expand a European zone of peace, prosperity and co-operation into the former Soviet block.

ECONOMIST: Charlemagne

But would Iraqi Arabs really undermine their own prosperity in order to benefit Persian co-religionists?

ECONOMIST: Iraqi oil: Lots of black stuff | The

Koch Foundation, and a director and co-founder, with David Koch, of the Americans for Prosperity Foundation.

NEWYORKER: Covert Operations

Mr. Laffer, chairman of Laffer Associates and the Laffer Center for Supply-Side Economics, is co-author, with Stephen Moore, of "Return to Prosperity: How America Can Regain Its Economic Superpower Status" (Threshold, 2010).

WSJ: Arthur B. Laffer: Class Warfare and the Buffett Rule