After much reflection, we have at my house decided to put up a fence, you know, to keep the right things out and the right things in. And because I live in the cold north, good building practice insists that I dig holes for the posts no less than three feet deep. Over the first few days however I have noticed an unusual setback. For while it is incumbant on me to dig several of these holes, no one took the time to tell me that if I take too long, I might just find myself digg