Moving from the Capitol, British Navy Rear Admiral George Cockburn, Army Major General Robert Ross, and 150 redcoats marched to the White House. Rocca asked Allman what the Britons' impression of the White House would have been as they walked in the door: "I think that it was a pretty good-sized house, but not a palatial one. No Buckingham Palace. No Versailles. That it was, you know, reasonably well decorated." The biggest surprise? A dinner set for 40. So the British feasted in the White House dining room before burning the mansion down. Here, too, the walls survived. But little...