During the Civil War, John Singleton Mosby led the Forty-third Battalion, Virginia Cavalry, better known as Mosby's Rangers, in bold and daring operations behind Union lines. Throughout the course of the war, more than 2000 men were members of Mosby's command, some for only a short time. Mosby had few confidants (he was described by one acquaintance as "a disturbing companion") but became close friends with one of his finest officers, Samuel Forrer Chapman. Chapman served with Mosby for more than two years, and their friendship continued in the decades after the war. Take Sides with the...