During the summer of 1864 General Grant was hammering at the gates of Richmond and the Confederacy seemed doomed. In a bold and desperate stroke, General Lee countered by sending Jubal A. Early and a force of only twelve thousand men toward Washington, D.C. After some victories along the way, they crossed the Potomac and caused plenty of confusion and consternation in the capital before retreating. Early reportedly said: "We haven't taken Washington,...