Oklahoma Attorney General Scott Pruitt, seen at a news conference in early 2011 before he took office, promised to file a lawsuit soon after he was sworn in. He did. Sue Ogrocki/AP hide caption

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Jamari Brighthaupt, 11, gets blood drawn by registered nurse Rae Montilla at the Georgetown Pediatric Mobile Clinic. Jessica Camille Aguirre/NPR hide caption

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With help from the Affordable Care Act, government fraud investigators will make more use of computer programs to detect Medicare and Medicaid scams. iStockphoto.com hide caption

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C.S. Mott Women and Children's Hospital is part of the University of Michigan Ann Arbor Health System, one of the organizations Medicare is penalizing for its high readmission rate. Lon Horwedel/AP hide caption

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Health and Human Services Secretary Kathleen Sebelius joins Democratic senators at a news conference on Capitol Hill on Tuesday to announce new preventive health coverage for women that takes effect Wednesday. Win McNamee/Getty Images hide caption

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When the U.S. Supreme Court made a Medicaid expansion optional under the Affordable Care Act, the decision lowered the estimated cost of the law. Chip Somodevilla/Getty Images hide caption

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The scene outside the U.S. Supreme Court on Thursday, when the justices released their ruling on President Obama's health care law. Alex Wong/Getty Images hide caption

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