"It was a mild May morning in Charleston, South Carolina, in 1862, the second year of the Civil War, when a twenty-three-year-old slave named Robert Smalls did the unthinkable and boldly seized a Confederate steamer. With his wife and two young children hidden on board, Smalls and a small crew ran a gauntlet of heavily armed fortifications in Charleston Harbor and delivered the valuable vessel and the massive guns it carried to nearby Union forces....