The New York Times bestselling guide to leading positive change in any organization—updated with new insights, research, and case studies  Learning how to influence others may be the most important leadership skill you’ll ever develop. And yet most leaders don’t recognize this fact—that leadership, at the end of the day, is the capacity to influence behavior to drive results. When is the last time you saw a change effort yield something more than a t-shirt or mug emblazoned with the name of the effort? Our review of 30 years of change literature reveals that fewer than one in eight...