EPA's Power SapperThe Cross-State Air Pollution Rule is an economy killer. On July 7, the Environmental Protection Agency adopted strict new standards on power-plant emissions that cross state lines — the Cross-State Air Pollution Rule (CSAPR). The rule has been the focus of multiple White House meetings, hastily called legislative hearings, and last-ditch letters from congressmen, unions, industry, and the states — all pleading with EPA to consider the jobs that will be lost because of this single rule. And it is only the latest installment in dizzying series of new EPA rules with multi-billion-dollar compliance costs and dubious or...