John Salka rose through the ranks of the New York City Fire Department from firefighter to lieutenant, captain, and now battalion chief (the second highest command), a position in which he manages more than 150 men. He also teachesleadership to other fire departments across the country and to outside organizations like the U.S. Marine CorpsBarret Neville is a business book editor.Dennis Smith, a former New York City firefighter, is the founding editor of Firehouse Magazi...