The idea of retreating in such a way as to lure enemies into traps is not new. In fact that was one of the most basic strategems of Mongol cavalry groups and you would have encountered it within the first few pages of the operational handbook for Mongol commanders. One of the classic examples of the idea was the Battle of the Kalka River which occurred in the Donetsk region of Malorossiya (I'm starting to choke on the idea of calling that place "Ukraine")in late May of 1223. That's right, eight months shy of exactly 1000 years ago. Basically, a...