Libya's power vacuum

The defeat of Gaddafi brought the destruction of corrupt institutions but the power vacuum left by old cronies is being filled by new militias. Armed groups with NATO support helped remove the former dictator and they now threaten to undermine moves to democracy. Many Libyans fear a new era of corruption. The country’s vast oil wealth—and how it is distributed—will be critical in determining political and economic stability. Reporter: Reese Erlich.