Nuts!By: Kevin Freiberg, Jackie Freiberg Twenty five years ago, Herb Kelleher reinvented air travel when he founded Southwest Airlines, where the planes are painted like killer whales, a typical company maxim is "Hire people with a sense of humor," and in flight meals are never served just sixty million bags of peanuts a year. By sidestepping "reengineering," "total quality management," and other management philosophies and employing its own brand of