At the height of the global bull market a few years ago, business giant Kmart stumbled, going from one of the most admired companies to one of the largest bankruptcies in history. The same fate befell several seemingly impenetrable corporation, such as Enron, WorldCom, Polaroid, and others. Were these fantastic failures caused by a fickle stock market and a turbulent economy? Did they fall victim to the dot-com bubble of the late 1990s? Not according...