New York Times: There is pain across the nations coal fields, but here in West Virginia, the disruption is particularly acute. Mines are closing almost every month. Sawmills that provide wooden support beams for the tunnels are laying off workers, and diners are putting up signs asking their customers to pray for the miners. The coal industry, long the heart that pumped the economy here, is in deep trouble, buffeted by power plants switching to cheap natural gas, crippling debt, mounting foreign competition and...