Readers may have noticed that I don’t often write about coal stocks. That is because I try my best to be positive, and coal is a hard subject on which to be that way. It is still needed, for sure, but its long-term future in a world of increasing concern about climate control and emissions is uncertain at best. The companies involved in its extraction, processing, and distribution are essentially in a race against time, trying to make the most money they can from their assets before those assets lose all value…not exactly an inspiring…