Scientific, economic and political realities are reining in worldwide efforts to combat global warming. But not so in California. As others stop short of committing economic suicide, California's overaggressive government could inflict further economic harm on the state. The California Air Resources Board last week released a draft of its Draconian, top-down manipulation of the economy to reduce greenhouse gas emissions. The agency's cap-and-trade regulations effectively would impose broad-based new taxes by making energy more costly and forcing industries to buy permission to emit greenhouse gases that bureaucrats insist dangerously warm the atmosphere. However, Congress and 192 nations meeting next...