Sears once dominated retailing, but its concept became stale. By the time executives tried to remake the company, it was too late. This is a common problem. If we wait until change is needed before making a change, we’ve usually waited too long. Larry Thornton gave up a good corporate career to become an entrepreneur. While his friends were making real money, Dr. Dave Ketchen decided at 21 to live on a tiny stipend for five years in order to pursue a PhD in business. Winning by changing before you have to involves thinking one, two, three, or more steps ahead rather than just living for today.