NPR : 'Sesame Street' Turns 35: Kevin Clash and Elmo

NPR : 'Sesame Street' Turns 35: Kevin Clash and Elmo- NPR's Tavis Smiley talks with Kevin Clash, puppeteer and the voice of the popular Sesame Street character Elmo, about his career working with puppets and the 35th anniversary of Sesame Street. [9:09 streaming audio broadcast.]