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Mary L. Landrieu

Holding one's breath, GOP style

Holding one's breath, GOP style

Last month, the Obama administration announced tougher Clean Air Act rules intended to reduce ground-level ozone, the chief component of the smog that plagues the Baltimore-Washington area and much of the nation. With at least half the pollution blowing into Maryland from the burning of fossil fuels outside the state (and much of the densely-populated Northeast faced with the same downwind problem), a nationwide approach is essential to cleaner, healthier air.

Yet Republicans in Congress, prodded in large measure by deep-pocketed coal, oil and related fossil fuel industry corporate interests, are preparing to go to war against the U.S. Environmental Protection Agency and the...