Ballou High School, in Washington, D.C.'s Southeast quadrant, is located in one of the city's poorest neighborhoods and has struggled academically for years. An investigation by WAMU and NPR has found that the school's administration graduated dozens of students despite high rates of unexcused absences.
Tea Party activists hold a rally on Capitol Hill in 2010. That grassroots movement, with backing from the Koch political network, helped Republicans win back the House in the 2010 midterms. In 2018, the Koch network is on defense against Democratic gains.
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Tide detergent pods, from Procter & Gamble, are seen at a Safeway store in Wheaton, Md., in 2015. The pace of poisonings in the so-called Tide Pods Challenge is continuing to grow.