From Today's New York Times

Animal Ethics

As a parent of young children, I have much to worry about regarding what my children eat—a balanced, wholesome diet, free from antibiotics, hormones or bacteria. What would the cost of a hamburger at Burger King or McDonald’s be if the meat were to come from Ms. A “free range” bird eats insects, as well as plants, so it gets more nutrition out of the same amount of land than do her cattle, which eat only the grass. Kellman San Antonio, Oct.