When the Environmental Protection Agency (EPA) made the announcement this week that it has declared carbon dioxide (CO2) and five other gases as “a danger to human health,” it fired the most lethal salvo yet into what little sovereignty remains of our constitutional republic. With her so-called “endangerment finding” declaration, EPA Administrator Lisa P. Jackson made clear that this declaration will lead to new regulations under the Clean Air Act to govern emission standards for cars, power plants, crude-oil refineries, chemical plants and all other “environmental suspects” in the economic engine that drives the U.S. economy. It appears that the...