Last year, in the US, more than 48,000 organs were transplanted. This life-saving procedure is made possible by the generous donation of thousands of Americans who have registered to give their organs upon death or who have been identified as a good match for a friend or loved one, offering a living-donor gift. As a result, thousands of Americans find new life and liberation from dialysis machines or heart pumps. The altruism of donors is inspiring. But all of this...