The original Mid-Course Correction, published 20 years ago, became a classic in the sustainability field. It put forth a new vision for what its author, Ray C. Anderson, called the "prototypical company of the 21st century"--a restorative company that does no harm to society or the environment. In it Anderson recounts his eureka moment as founder and leader of Interface, Inc., one of the world's largest carpet and flooring companies, and one that...