Even though Sewing Annie Coats and her son, Gabriel, have managed to buy their freedom, their lives are still marked by constant struggle and sacrifice. Washington's Georgetown neighborhood, where the Coatses operate a tailor's shop and laundry, is supposed to be a "promised land" for former slaves, but it is effectively a frontier town, gritty and dangerous, with no laws protecting black people.The remarkable emotional energy with which the Coatses...