The document discusses the sources of power and skills needed for effective leadership in negotiations. It notes that leadership power comes from resources, rewards that provide value, coercion through pressure, and establishing a shared perspective. Effective leaders also have legitimacy, expertise in negotiation processes and knowledge of the issues, and information about parties' preferences and the zone of possible agreement. Leaders are more successful when they can understand challenges, map out summaries, find solutions, navigate logic and emotions, and tell stories that consider all perspectives.