Les Gelb; Mary Fisher; Umberto Eco

Les Gelb, columnist for the New York Times, explains why he's leaving his position to be president of the Council on Foreign Relations and what his new job entails. Mary Fisher of the National Commission on AIDS, who is HIV positive, describes her mission to communicate the urgency of the worsening AIDS epidemic and the need for new research. Umberto Eco introduces his new book, "Misreadings," based on a series of literary parodies from the early 60s.