Grist: As Ive been writing about with some frequency, the U.S. coal industry is on the decline. The reasons are familiar by now: the low price of natural gas, new EPA regulations, the relentless grassroots anti-coal movement, the rising costs of production, flat or falling electricity demand, the recession, and, this past year, an unseasonably warm winter. The result is unfolding before us: U.S. coal production is down 9 percent from 2011, according to preliminary numbers from the EIA. And coal folks...