A.S. Byatt on the Power of Fairy Tales

Fairy tales are part of all our lives, whether it's Snow White or Cinderella of Little Red Riding Hood.  Old stories like those exist in many versions, in many cultures, all over the world.  Writer A.S. Byatt has been studying them, and writing them.  She tells Anne Strainchamps these are some of the oldest and most powerful stories we have.