Bottom Line Philanthropyhttp://www.nytimes.com/2008/03/09/magazine/09WWLN-freakonomics-t.html?ex=1362718800&en=4bf50fbe41083b82&ei=5090&partner=rssuserland&emc=rss&pagewanted=all by matstc • 18 years ago 3 0 18 years agoNYnytimes.com