"Sesame Street" becomes first TV show to be a Kennedy Center honoree

For the first time ever, this year’s Kennedy Center Honors celebrates a TV show: "Sesame Street." It has revolutionized how we think about childhood and the world. The ceremony, which airs Sunday on CBS, paid tribute to the program’s co-creators, Lloyd Morrisett and Joan Ganz Cooney, and especially the muppets. Anthony Mason reports.