Where have all the leaders gone?

Leaders in business and government, Bill George, David Gergen and Sidney Harman, appeared together at this summer's Aspen Ideas Festival to discuss what it takes to be a leader, and why leaders are in such short supply.

William George: Professor of Management Practice and Henry B. Arthur Fellow of Ethics at Harvard Business School. He is the author of "True North: Discover Your Authentic Leadership" and "Authentic Leadership: Rediscovering the Secrets to Creating Lasting Value." He is the former chairman and CEO of Medtronic.

David Gergen: Public Service Professor of Public Leadership and director of the Center for Public Leadership at Harvard University's John F. Kennedy School of Government. Over the past three decades, he has served as a White House advisor to four presidents: Richard Nixon, Gerald Ford, Ronald Reagan, and Bill Clinton.

Sidney Harman: Executive chairman of Harman International Industries, Inc., a leading manufacturer of high-fidelity audio, video, and navigation products for automotive, consumer, and professional markets. He is the co-author (with Daniel Yankelovich) of "Starting with the People," and the author of "Mind Your Own Business."