Country music legend Dolly Parton has sold millions of records in her long career. But what you may not know is that she's responsible for putting millions of books in the hands of children. Parton is the driving force behind a charity that distributes books, completely free of charge, to children around the nation. "CBS This Morning: Saturday" co-host Anthony Mason sat down with the singer, songwriter and actress to talk about her charity work – and what inspired her dedication to helping everyone to learn to read.
