As students go back to school, CBS News' Mo Rocca explores that classic writing instrument: the pencil. He introduces us to David Rees, who has written the book on sharpening pencils, and brings us to Pencil City USA to learn how pencils are made.
Have any comments or questions about our video editions of IMPO? Or do you have a video you'd like to see featured in one of our deployments? Email me at Rachel.Immel@advantagemedia.com.