A new study by Yale University researchers claims that California's proposal to create an expanded Western electricity grid will not weaken its pioneering clean power and greenhouse gas-reduction programs by enabling legal restrictions, as feared by some critics. “Transitioning from a single-state to a multi-state wholesale electricity market will not increase the risk that California’s clean energy policies face from challenges under the Supremacy Clause and dormant Commerce Clause,” the May 11 report concludes. Making changes to allow the...