The U.S. Role in Stopping Nuclear Proliferation

North Korea has publicly declared it has nuclear weapons, and while Iran says it wants nuclear power, not weapons, the Bush Administration isn't so sure. Does the United States, as the world's pre-eminent nuclear power, have the responsibility or the right to dictate who can develop nuclear weapons? To answer that question, NPR's Ed Gordon is joined by Jonathan Granoff, president of the Global Security Institute, and Jack Spencer, senior policy analyst at the Heritage Foundation.