Swiss drugmaker Novartis' logo is seen behind scaffolding at the company's plant in the northern Swiss town of Stein, shown in January. The company's "biosimilar" drug Zarxio has received FDA approval. Arnd Wiegmann/Reuters/Landov hide caption

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A rule from the federal Labor Department will guarantee that regardless of where legally married same-sex spouses live, they can take unpaid time off to care for a spouse or sick relative. iStockphoto hide caption

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U.S. taxpayers have poured $30 billion into funding electronic records systems in hospitals and doctors' offices since 2009. But most of those systems still can't talk to each other, which makes transfer of medical information tough. iStockphoto hide caption

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Latoya Watson of Washington, D.C., cheers during a rally outside the Supreme Court on Wednesday, when the justices heard arguments in King v. Burwell. Andrew Harnik/AP hide caption

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Fans and foes of Obamacare jockeyed for position outside the Supreme Court Wednesday. Inside, the justices weighed arguments in the case of King v. Burwell, which challenges a key part of the federal health law. Pete Marovich/UPI/Landov hide caption

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Supporters of the Affordable Care Act gather in front of the U.S Supreme Court during a rally Wednesday. The court heard arguments in the case and is expected to announce its decision in June. Alex Wong/Getty Images hide caption

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Opponents of the Affordable Care Act protest outside the Supreme Court Wednesday before oral arguments in the second major challenge to be heard by the justices. Jim Lo Scalzo/EPA/Landov hide caption

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Supporters of the Affordable Care Act celebrate outside the Supreme Court in 2012, after a divided court upheld the law as constitutional by a 5-to-4 vote. The latest battle, which the Supreme Court hears Wednesday, is over whether people who buy insurance through federally run exchanges are eligible for subsidies. David Goldman/AP hide caption

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Senate Majority Leader Mitch McConnell (from left), Senate Minority Leader Harry Reid and House Speaker John Boehner have reasons to watch the Supreme Court case closely — and to worry about its outcome. Drew Angerer/Getty Images hide caption

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