Brenda Hummel and her 7-year-old daughter Andrea in their home near Des Moines, Iowa. Andrea was born with severe epilepsy and gets her health care through Medicaid. Clay Masters/Iowa Public Radio hide caption

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Patients In Iowa Worry About Private Management Of Medicaid

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Farms outside Baghdad as seen from a U.S. Army Blackhawk helicopter. Much of Iraq's soil has a high salt content because of flooding and poor drainage. Jim Gordon/U.S. Army Corps of Engineers/Flickr hide caption

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Tom Robichaud launched his business, Discreet Intervention, six months ago. Here, he works his dog in a vacant office building, hitting on a cylinder containing cocainelike drugs. Pat Greenhouse/Boston Globe via Getty Images hide caption

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Drug-Sniffing Dogs Ease Parents' Minds — Or Confirm Their Fears

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