The United States is on the road to civil collapse. At least that’s the warning from economist Glenn Hubbard. The former chair of President George W. Bush’s Council of Economic Advisors claims that America’s financial imbalance is threatening its leadership as a world power. Hubbard says other great civilizations– Rome, medieval China, nineteenth-century Britain -- collapsed under the similar circumstances. In our case, he believes a root cause is the creation of a middle-class entitlement state. He argues that without a new approach to politics, the U. S. may be next to fall. Diane talks with Glenn Hubbard about reversing America’s economic decline.