The two presidents who figured out that America's experiment with imperialism wasn't working were, ironically, Theodore Roosevelt and Woodrow Wilson.

NPR: 'Folly of Empire' Offers Critique of U.S. Imperialism

"The Cold War hasn't ended in North Asia, " says David Asher, a public policy fellow at the Woodrow Wilson International Center for Scholars and former State Department adviser on Asia.

FORBES: Magazine Article

"You can't have sustainable cities that are only environmentally and economically sustainable, " says Richard Stren of the Woodrow Wilson International Center for Scholars in Washington, D.

CNN: Homes for the Zabbaleen