Sales of traditional hybrids, plug-ins and all-electric cars are down about 5 percent in 2014 — while truck and SUV sales have jumped. Mark Ralston/AFP/Getty Images hide caption

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Members of the California Nurses Association rallied in Sacramento, Calif., in May, in anticipation of contract negotiations with Kaiser Permanente that began in this fall. April Dembosky / KQED hide caption

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A notice in a store window in New York City announces a retail job opening. Now that unemployment has slipped below 6 percent, there's renewed interest in what the Federal Reserve's target for joblessness should be. Spencer Platt/Getty Images hide caption

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One rationale for extending Medicaid coverage to more people is to help them get to a doctor or clinic before a minor illness becomes a medical emergency. iStockphoto hide caption

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Los Angeles Unified School District Superintendent John Deasy, seen in a photo taken last year, says his resignation Thursday was "by mutual agreement." Damian Dovarganes/AP hide caption

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When people see charts like this, they think the drug is more effective than if they just read about the data, a study finds. Source: Cornell University hide caption

itoggle caption Source: Cornell University

Nina Pham, 26, steps off a plane Thursday night at a municipal airport in Frederick, Md. An ambulance was waiting to take her to the National Institutes of Health in Bethesda, Md. Paul J. Richards/AFP/Getty Images hide caption

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