September 7 is the anniversary of the battle of Borodino in 1812, at which Napoleon's Grande Armée grappled bitterly with massed Russian forces defending Moscow under Marshal Mikhail Kutusov during Napoleon's invasion of Russia. Kutusov suffered significant losses, and the French occupied Moscow a week later, but in a month, Napoleon's disastrous retreat toward the west had begun. As Tolstoy noted in War and Peace, "The cudgel of the people's war was lifted with all its menacing and majestic might, and caring nothing for good taste and procedure, with dull-witted simplicity but sound judgment, it rose and fell, making no...