The lecturer stands at the podium presenting his newest and most exciting research findings to a room full of eager medical students. Ten hands shoot into the air, and every mind in the room turns over the ideas that have been put before them. What you will find at medical schools across the country on any given morning—an eagerness to question authority and think beyond what is presented—is a quality that physicians have in common with other human beings, but one that is often more highly rewarded in medical education. The ability to question those who present absolutes before us will be our greatest strength when new discoveries are sought and our greatest weakness when it comes time to contributing to the common body of knowledge by repo...