'When I want to know the real rock-bottom truth about what happens all the time in this doctoring life, what happens to us, and to the folks who bring us their hearts and worries to be heard, that's when I turn, every time, to the novelists, the playwrights, the poets, the essayists, who have given us the sights and sounds, the feel, of all that goes on, minute by minute. What Tolstoy and Chekhov knew, we need to know for ourselves, for our own sakes,...