With the march toward the marketplace comes a more laser-like focus on impact and metrics. By all means, measure impact. And, by all means, make sure whatever your measuring is worth measuring. And, yes, it is difficult. More difficult than the private sector. But measure we must. As Jim Collins says “To throw our hands up and say, ‘But we cannot measure performance in the social sectors the way you can in business’ is simply lack of discipline. All indicators are flawed, whe