From Aunt Jemima and Uncle Ben to the Jolly Green Giant and Ronald McDonald, corporate icons sell billions of dollars' worth of products. But only one of them was ever a real person-Colonel Sanders of Kentucky Fried Chicken/KFC. From a 1930s roadside caf in Corbin, Kentucky, Harland Sanders launched a fried chicken business that now circles the globe, serving "finger lickin' good" chicken to more than twelve million people every day. But to get...