In this video, Parker J. Palmer, renowned author, speaker and activist, discusses his Theory of Social Movements. What makes a Rosa Parks? What makes a Vaclav Havel? What makes a Nelson Mandela? What makes these people is their capacity to take the inner life seriously, and to tap the sources of power that lie within, that are just as essential as external forces in transforming our institutions and society for the better. Every great movement for social change has been animated by people who have striven to understand, harness, and apply the power of the human heart.