Is it worthwhile to think about giving like a pyramid? Two fund-raising experts are arguing about whether it makes any sense to keep looking at giving that way. Proponents of the idea say it helps ...

For 5,000 years scholars, generals, and mystics have been fascinated by the Egyptian pyramids. That obsession persists in the modern age. Today the Pyramids of Giza are surrounded by desert. But 4,600 ...