New Book Says Science Provides Answers to Gun Violence 4/1/2004 Feature Story by Dick Dahl In the preface to his new book, "Private Guns, Public Health," David Hemenway of the Harvard School of Public Health tells a story about the goose problem that had befallen the municipality of Mamaroneck, NY in the early 1990s. A growing population of Canadian geese had set up continuous residence in one of the town's parks, and their droppings atop sidewalks, fields, and beach had become a public nuisance. In response, the village leaders obtained a federal permit to let hunters take care of the...