In hindsight, these observations are obvious. If life-transforming missions could be found with just a little navel-gazing and an optimistic attitude, changing the world would be commonplace. But it's not commonplace; it's instead quite rare. This rareness, we now understand, is because these breakthroughs require that you first get to the cutting edge, and this is hard--the type of hardness that most of us try to avoid in our working lives. The