The developed nations don't suffer from overpopulation but a lack of population, with those societies not producing enough children to reproduce themselves. If there's a common theme in the majority of business books today, it's the importance of getting people to do enthusiastically what you want them to do. Leaders probably are born, not made. But leadership skills can be honed. Danzig went from office boy to leading the newspaper division at the Hearst Corp., which also owns the Chronicle.
Management has tools, primarily from accounting.
Leadership means using your personality to motivate in widely different situations. Danzig uses parables to teach his lessons. He shows how leaders from business, medicine, religion and academia met leadership challenges they faced.