‘Prairie Home’ gets a new companion

"A Prairie Home Companion" has always been synonymous with one man: Garrison Keillor. Since his departure, the live variety radio program transitioned to a new host. But 35-year-old Chris Thile isn't actually new -- he's been performing on the show since he was 15 and listening since early childhood. Jeffrey Brown reports on how the iconic program is changing -- and how it's remaining the same.