Witnesses testified on type 1 diabetes research and its impact on children.   Actress Mary Tyler Moore, who serves as international chair of the Juvenile Diabetes Research Foundation (JDRF), was originally scheduled to testify, was not at able to be at the hearing. Panel One: Kevin Kline, celebrity advocate and co-chairman, JDRF Griffin P. Rodgers, director, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health Charles Zimliki, chairman, Artificial Pancreas Critical Path Initiative, Food and Drug Administration Panel Two: Caroline Jacobs, delegate, JDRF Children’s Congress, Shapleigh, Maine Jack Schmittlein, delegate, JDRF Children's Congress, Avon, Conn. Kerry Morgan, delegate, JDRF Children's Congress, Glen Allen, Va. Jonathan Platt, delegate, JDRF Children's Congress, Tarzana, Calif.