I BEG TO DIFFER Dr. Denise Faustman thinks she has a shot at curing diabetes. She has published one significant scientific paper after another on the disease. She has succeeded in curing it in mice, something no one else has accomplished. But when Dr. Faustman, an associate professor of medicine at Harvard, went looking for money to finance the next stage of her research, testing the ideas with diabetes patients, she could find no backers. Pharmaceutical companies turned her down. So did the Juvenile Diabetes Research Association. Her approach was criticized, even though in the past, said her boss, Dr....