The True Cost Of Losing America's Wild Oysters

Oyster reefs are used along the coast of America. Today, they have almost disappeared due to overexploitation, increasingly powerful storms and oil spills. But conservationists are trying to restore America's wild oysters not just for food but also for the benefits they bring to degraded coasts. We went to Louisiana to find out what it takes to grow oysters today and learn about efforts to supplement the nutrition of these small bivalves.