Former President Jimmy Carter: "America will learn from its mistakes"
At 93 years old, former President Jimmy Carter is still actively finding ways to serve his country. He and his wife Rosalynn have volunteered with Habitat for Humanity since 1984. Together, they have helped build or remodel thousands of homes. "CBS This Morning" co-host John Dickerson spoke to Mr. Carter on a project outside South Bend, Indiana, and met some other famous volunteers.