The effective end of the American Civil War on April 9, 1865, had hardly sunk in when, only five days later, another disaster stunned the battered and bloodied nation. On the night of April 9, Pres. Abraham Lincoln was assassinated. There would be time for vengeful thoughts later, but first the Great Emancipator was going to get a royal send-off. At the center of what would become a three-week national funeral was a spectacular train that would carry...