In 1967 Ralph Ketner's supermarket chain of sixteen stores had dropped to seven and his profits totaled only $36,000. He was not certain he would be in business the following year. Yet he did not go under. Now, in 1990, at age 70, he is retiring as chairman of the board of the country's fastest-growing supermarket chain - Food Lion, which had sales of $4.7 billion in 1989. Donsky discusses the remarkable turnaround.