Suppose that a doctor is present at a drowning. The patient isn't breathing and there's no pulse, but she was pulled out only a couple minutes after going under. But instead of issuing CPR and attempting to revive her, he simply declares, "She's dead," and covers her, to be delivered to the morgue. Or what if, when confronted by a patient with a femur shattered by a rifle bullet, instead of performing reconstructive surgery, he simply saws off the leg at the hip, with unwashed hands and, unable to staunch the bleeding, the unfortunate soul exsanguinates on the operating...