The Obama administration is set to roll out a series of climate and pollution measures that rivals any president’s environmental actions of the past quarter-century — a reality check for Republicans who think last week’s election gave them a mandate to end what they call the White House’s “War on Coal.” [Snip] The coming rollout includes a Dec. 1 proposal by EPA to tighten limits on smog-causing ozone, which business groups say could be the costliest federal regulation of all time; a final rule Dec. 19 for clamping down on disposal of power plants’ toxic coal ash; the Jan. 1...