People often say to me, ‘You must be so pleased with the effects your work has had.’ But the daily feeling is frustration. There’s much more to do. For kidney transplantation, I could tell you about victory after victory in a war we’re losing — because the shortage of transplants is growing rather than shrinking, as diabetes and hypertension become an epidemic. There’s so much to do, so little time, and it’s so hard to be persuasive.