Are we headed for a double-dip recession? Jeffrey Sachs explains

The United States is still the best place in the world to prosper. But in recent years things have gotten tougher for the average American. Sky-high unemployment, a collpased housing market, and stagnating wages have hit the middle class hard. And the government is struggling to respond to these challenges.

Jeffrey Sachs, director of the Earth Institute and author of "The Price of Civilization," sat down with Christine Romans to asses the state of America's middle class and the possibility of a double-dip recession.