Though practicing clinicians have long played an important role in medical research and advancing medical treatments, their position in the laboratory has changed dramatically in recent years. But is the future of the physician-scientist in danger? Dr. Andrew Schafer, chairman of the department of medicine at Weill Cornell Medical College, and physician-in-chief of the New York-Presbyterian Hospital Weill Cornell Medical Center in New York, tells host Bruce Japsen about a critical issue facing medicine in the dramatic decrease in the number of practicing physicians involved in conducting research.