When President-elect John F. Kennedy asked Bob McNamara, then president of Ford Motor Company to join his cabinet, McNamara said that he didn't know anything about government, JFK is said to have replied, "Well, we can both learn on the job. I don't know how to be president." Dr. Michael Siegel is senior education specialist at the Federal Judicial Center and adjunct professor at two local universities. He's also written a book, "The President as Leader." He helped teach judges how to lead.