The common quest of all who seek to achieve lasting improvements in our communities and in our world—whether we are individual donors, foundations, nonprofits or government agencies—is to make the highest and best use of our resources. It requires us to ask questions like: What are our best opportunities to make a difference? What impact can we have and how do we know what impact our grants are having? What are grantee organizations accomplishing? What’s working… what’s not? Or, as Chuck Feeney, founder of The Atlantic Philanthropies, never hesitated to ask, starting with the foundation’s...