Secret Service director Julia Pierson enters a hearing room in April to answer questions before a closed meeting of the Senate homeland security committee in Washington. Today, Pierson will appear before a House committee to respond to questions about White House security breaches. Cliff Owen/AP hide caption

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A poultry processing plant in France. Europe banned treating chicken carcasses with chlorine in the 1990s out of fear that it could cause cancer. Christophe Di Pascale/Corbis hide caption

itoggle caption Christophe Di Pascale/Corbis

Daniela Chavarriaga holds her daughter Emma as Dr. Jose Rosa-Olivares administers a measles vaccination at Miami Children's Hospital. Joe Raedle/Getty Images hide caption

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Mike Trout and Los Angeles Angels have been named favorites to reach the World Series, as have Clayton Kershaw and the Los Angeles Dodgers. They're seen here when the two teams played in August. Matt Brown/Angels Baseball LP/Getty Images hide caption

itoggle caption Matt Brown/Angels Baseball LP/Getty Images

California has become the first U.S. state to define when "yes means yes" in sexual assault cases on college campuses, after a bill sponsored by state Sen. Kevin de Leon was signed into law Sunday. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

Ashraf Ghani (second from left) stands next to Afghanistan's Chief Executive Abdullah Abdullah (left) and two deputy officials as he takes the oath during the inauguration ceremony at the presidential palace in Kabul on Monday. Ahmad Massoud/Xinhua/Landov hide caption

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Tom Worden works on a fixed-abrasive grinding table at Exelis Inc. in Rochester, N.Y. Exelis is an aerospace and defense company, and employs numerous former Kodak workers in its facility. Mike Bradley for NPR hide caption

itoggle caption Mike Bradley for NPR