Karl Weber is a writer and editor based in New York. He collaborated with Muhammad Yunus on his bestseller Creating a World Without Poverty, edited The Best of I.F. Stone, and, with Andrew W. Savitz, coauthored The Triple Bottom Line: How Today's Best-Run Companies Are Achieving Economic, Social, and Environmental Success -- And How You Can Too. He edited the previous bestselling Participant Media Guides, Food, Inc., and Waiting for "Superman."