By George Sibley Said farewell to a couple of friends last week. One was an aspen – a lovely tree about thirty-five years old according to its stump, in the prime of life. After three years of increasingly evident decline, it budded this year but failed to produce any leaves. It was one of a clump of three on the south edge of our place in Gunnison; I had to take down the first one last year. I don’t hold out much hope for the remaining one, which has a thin crop of tiny leaves this year. I think their ...