Rep. John Dingell, D-Mich., the longest-serving member of Congress, is celebrated by colleagues, including Vice President Biden, on Capitol Hill in June 2013. A former chairman of the Energy and Commerce Committee, Dingell, now 87, announced in February that he will retire after this term. J. Scott Applewhite/AP hide caption

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A lot more people now know who Iowa Republican Senate candidate Joni Ernst is, which was the point of the hog-castration line in her campaign ad. YouTube screen shot/Joni Ernst for Senate YouTube channel hide caption

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Iowa Opens The Doors To Medicaid Coverage, On Its Own Terms
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Dr. Tim Ihrig, a palliative care physician, treats Augie Avelleyra, 93, at his home in Fort Dodge, Iowa. Courtesy of Paula Avelleyra hide caption

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Doctor Helps Iowa Couple Face Illness On Their Own Terms
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Insurance help isn't easy to find in many Iowa counties. iStockphoto hide caption

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In Rural Iowa, Distance Makes Health Care Sign-Ups A Challenge
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Soil erosion after five inches or more of rain fell in one hour across portions of Western Iowa in 2013. USDA Natural Resources Conservation hide caption

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Iowa Supreme Court Justice David Wiggins, right, faces a retention vote Nov. 6. Charlie Neibergall/AP hide caption

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Another Iowa Judge Faces Ballot Box Battle Due To Same-Sex Marriage Ruling
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Rep. Paul Ryan, who has been chosen by Mitt Romney to be his running mate on the GOP ticket, greeting supporters Sunday in his home state of Wisconsin. Ryan will be in Iowa today. Saul Loeb/AFP/Getty Images hide caption

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President Obama meets with Jason and Ali McLaughlin and their son, Cooper, while visiting their home in Cedar Rapids, Iowa. Susan Walsh/AP hide caption

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