Lessons from 5 great leaders

Harvard Business School historian Nancy Koehn discusses her book about leaders who overcame adversity to leave a lasting mark.

Koehn has captured the stories of five inspiring historical figures in her book, "Forged In Crisis: The Power of Courageous Leadership in Turbulent Times." Koehn recently discussed her book and why true leaders are made, not born.

Read the discussion and listen to a podcast by clicking here.