Boutros Boutros-Ghali; Richard Avedon; David Herbert Donald

Secretary-General Boutros Boutros-Ghali discusses the future of the U.N. as he sees it. Richard Avedon on his return to fashion editorial work with the portfolio, '"n Memory of the Late Mr. and Mrs. Comfort." Author David Herbert Donald talks about "Lincoln," a best-selling portrait of the 15th American president.