Tissue Engineering; Mr. Rogers; Thomas Sokolowski; Albert French

Doctors William Futrell and Peter Johnson explain the burgeoning field of tissue engineering and how plastic surgery can aid with facial disfigurement. Fred Rogers reflects on "Mister Rogers' Neighborhood," the longest running children's program on television, as it prepares to celebrate 30 years on the air. Thomas Sokolowski, the director of the Andy Warhol Museum, talks about the artist's influence on art in the 20th century. Albert French introduces his novel "Patches of Fire: A Story of War and Redemption," which offers insights into his experiences as a black soldier in Vietnam.