I stopped subscribing to the New Yorker a few years ago, mostly as a time saving measure. My Dad still gets it.  He cuts out articles from newspapers and magazines that I might like and mails them to me, and this week he clipped a New Yorker essay by John McPhee about fly fishing for pickerel. I could read anything by McPhee, even his 700-page opus about geology, but particularly his essays on fishing. Here’s a bit of his description of pickerel: This family–Esocidae–is not popular with aesthetes, with people who torture trout. Put a pickerel in a pond full of trout, and before long all that’s in there is a larger pickerel. There are people who hunt pickerel with shotguns. In Vermont, that…