Author and consultant Jennifer Garvey Berger has worked with all types of leaders--from top executives at Google to nonprofit directors who are trying to make a dent in social change. She hears a version of the same plea from every client in nearly every sector around the world: "I know that complexity and uncertainty are testing my instincts, but I don't know which to trust. Is there some way to know what to do when I can't know what's next?"