A good many years ago now, a brilliant theologian by the name of Reinhold Niebuhr noticed and wrote about an interesting thing that happens in groups and organizations. Put any group of people together, Niebuhr said, no matter how high and noble their initial purpose may be, and it doesn't take too long before two things begin to happen: they start becoming self-serving and self-protective. And when that happens, their own self-preservation becomes more important to them than their mission or their reason for existence. Pretty amazing,…