This farm raised thousands of pigs for slaughter. Now it's growing mushrooms instead

The U.S. gets nearly a third of its pork from Iowa. One family is making the switch from pigs to more sustainable specialty mushrooms and trying to show other pig farmers how they did it.

The U.S. gets nearly a third of its pork from Iowa. One family is making the switch from pigs to more sustainable specialty mushrooms and trying to show other pig farmers how they did it.