Combating the Environmental Protection Agency’s flurry of new regulations on coal and other energy resources has become a campaign platform for Republicans in key battleground states. GOP contenders in states such as Ohio, Pennsylvania, and West Virginia are directing their focus to the Obama administration’s anti-coal policies, while blaming their Democratic rivals for bolstering the EPA’s intrusive regulatory efforts. Representative Morgan Griffith (R-Va.) recently launched a pro-coal campaign positioning 150 billboards in six different swing states aimed to underscore President Obama’s purported opposition to the coal industry. “Too many lawmakers in Washington have ignored President Barack Obama’s War on Coal,”...