In the green hills and gray hollows of Kentucky's well-mined mountains, the economy of extracting coal from the fuel-rich ground isn't what it once was. Yet Mitch McConnell, a longtime senator poised to become majority leader of the U.S. Senate in a Congress that will be fully controlled by his Republican Party come January, has found political fortune in those hills. He successfully campaigned for reelection there with warnings about a "war on coal" he accuses Democratic President Barack Obama of waging. This helps explain what the United States won't be doing about global warming in the near future. (Read...