Greenwire: With the November midterm election nearing, Republicans in Congress are focusing their fire on U.S. EPA, describing the agency’s regulations on greenhouse gases and air pollution as the product of a “job-killing” Obama administration. Oklahoma Sen. James Inhofe, the top Republican on the Environment and Public Works Committee, has put together a laundry list of grievances about the agency’s regulatory agenda. His report, which will be released this afternoon, is the latest in a series …