Rudy Giuliani; Year in Science '91; Stanley Hill; Children's Books

Rudy Giuliani expresses his intention to mount a second campaign for the second toughest job in America and reflects on what he learned from his first attempt. Science reporters Natalie Angier, Paul Hoffman, and Michael Lemonick discuss the most important science stories of the year. Stanley Hill, executive director of District Council 37, New York City's largest municipal union, addresses the fiscal crisis. Eden Ross Lipson of the New York Book Review and authors Maira Kalman and Peter Sis talk about what makes a children's book a lasting favorite.