John Sculley, who turned around Pepsi and Apple, has a new cause
| EntrepreneurshipThe 80-year-old executive is now trying to solve the problems of America’s health-care system — and inspiring students to help change the world As a marketing manager, John Sculley developed the so-called Pepsi Challenge, which enabled the company to gain market share from Coca-Cola. In the 1980s, Sculley ran Apple — and had a famous …