"Kill a Mockingbird's small-town setting is what stuck with NBC's Tom Brokaw, who grew up in small towns throughout South Dakota and knew "not just the pressures that [Atticus] was under, but the magnifying glass that he lived in. This all takes place in a very small environment. People who live in big cities don't have any idea of what the pressures can be like in a small town when there's something controversial going on." When Allan Gurganus read To Kill a Mockingbird,"