About a third of U.S. hospitals have an observation unit, and most hospitals will eventually have one, the industry predicts. iStockphoto.com hide caption

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MIT health economist Jonathan Gruber, who explained the ins and outs of health overhaul in a comic book, says that excluding the value of health insurance from federal taxes is a terrible idea, at least from an economist's point of view. Macmillan hide caption

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The largest tax break in the federal code doesn't appear on the forms the average person fills out each year. iStockphoto.com hide caption

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President Obama holds a copy of "The New Economic Patriotism: A Plan for Jobs & Middle-Class Security," which outlines some of his agenda for a second term, during a rally in Richmond, Va., on Thursday. Chip Somodevilla/Getty Images hide caption

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President Obama signs the Affordable Care Act in the East Room of the White House on March 23, 2010. Data suggest that racial attitudes of ordinary Americans shape both how they feel about the health care overhaul and how intense those feelings are. Chip Somodevilla/Getty Images hide caption

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The Washington State Fruit Commission received $100,000 in federal money to promote cherries in Indonesia, but Sen. Tom Coburn says this is a waste of taxpayer money. Jeff Goulden/iStockphoto.com hide caption

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Workers look out from shattered windows on an upper floor of the St. John's Regional Medical Center in Joplin, Mo., in late May, after a tornado severely damaged the hospital. Mark Schiefelbein/AP hide caption

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Supporters of the Tea Party movement protest health care overhaul outside the U.S. Capitol, March 20, 2010. Nicholas Kamm/AFP via Getty Images hide caption

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Starting in 2014, insurers can no longer carve out needed benefits, charge higher premiums, set lifetime limits on benefits, or deny coverage due to a person’s preexisting condition. AP hide caption

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