Ron Powers' hometown is Hannibal, Missouri, home of Mark Twain, and therefore birthplace of our image of boyhood itself. Powers returns to Hannibal to chronicle the horrific story of two killings, both committed by minors, and the trials that followed. Seamlessly weaving the narrative of the events in Hannibal with the national withering of the very concept of childhood, Powers exposes a fragmented adult society where children are left adrift, transforming...