Now and then: '60s and '70s rockers

POSTED: 01:21 AM CDT Sep 23, 2011    UPDATED: 01:00 AM CDT Jun 18, 2014 
Paul McCartney, September 2013

With Paul McCartney celebrating his 72nd birthday Wednesday, see how he and other rockers from the 1960s and 1970s have aged over the years.