Artist Leonardo da Vinci produced two of the most famous paintings in history, "The Last Supper" and the "Mona Lisa." But he was also passionate about medical discoveries and military inventions, some of which were centuries ahead of their time.Walter Isaacson, author of bestselling biographies of Steve Jobs, Albert Einstein and Benjamin Franklin, has written a new book about da Vinci, and he talks with Dr.
Jon LaPook about why this Renaissance Man's mind and curiosity were so extraordinary....