Suppose you are a reasonable parent. You are worried about the psychic grip food marketers have on your children. But you have some faith in private markets and are slow to turn to the government for policing. You wish somebody outside the food industry would think through the complex nutritional considerations and propose tough yet feasible guidelines. Still, you would like to give moral suasion and voluntary industry restraint a chance to work before, at some later date, you may reluctantly grow sympathetic to calls for stricter regulation. Is there anybody in the public interest advocacy community reasonable enough to fit your needs? Sure. See the approach to children's food marketing announced this week by the Center for Science in the Public Interest.