“Like the racket of dozens of birds on a clothesline, the sound of doctors is filling the air. The strongest voices at the moment belong to Dr. Jerome Groopman and Dr. Atul Gawande, both clinicians at Harvard and writers for The New Yorker, both with articulate new books garnering impressive reviews and climbing in parallel to best-sellerdom. But they are only two of many doctors holding forth these days, in escalating volume.”