A cornerstone of Dolly Parton's legacy has been her literacy outreach. For a quarter century, her Dolly Parton's Imagination Library program has distributed free books to children around the world, from birth to age 5. The pop culture icon told the PBS NewsHour's Judy Woodruff that the initiative was inspired by her own father, who couldn't read and write. She said she saw how illiteracy affected him emotionally, and "I wanted to do something to help him," she said. With the creation of the prog