Why is The Who’s Pete Townshend still touring at age 74?

Fifty-five years after co-founding the rock band The Who, Pete Townshend is still at it. The lead lyricist and guitarist says he actually doesn’t enjoy performing but views it as an “easy” job necessary to finance his lifestyle and support his family and staff. Economics correspondent Paul Solman sits down with Townshend to discuss aging, surviving child abuse and art’s ability to inspire hope.