Demystifying leadership -- Great leaders make a great difference -- Simplifying leadership -- The competency quest -- Leaders must fit their organization -- Great leaders possess multiple strengths -- Fatal flaws must be fixed -- New insights into leadership development -- A case study in leadership development : the U.S. Marine Corps -- What individuals do to become extraordinary leaders -- Developing leadership teams -- The organization's role in developing leaders -- Measuring leadership improvement at General Mills -- The importance of follow-through.