Jaroslaw Kaczynski sits before a large image of his twin brother, Lech Kaczynski, who was the president of Poland from 2005 until his death in a plane crash in 2010. Today Jaroslaw Kaczynski, a former prime minister of Poland, doesn't hold political office; but as the head of the Law and Justice party, he is functionally the leader of Poland. Adam Guz/Getty Images Poland/Getty Images hide caption

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Michael Oreskes says that he admires NPR's reportorial muscle and that the network's greatest strength can be found in its ability to tell stories that listeners find compelling, accessible and absorbing. Chuck Zoeller/AP hide caption

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The controversies facing his administration could be creating a stiff headwind for President Obama's second-term agenda. Jack Plunkett/AP hide caption

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AP Twitter Account Hacked, Tweet About Obama Shakes Market
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May 7, 1945: In Frankfurt, Germany, Allied commanders including British Field Marshal Bernard Montgomery, U.S. Gen. Dwight D. Eisenhower, Soviet Marshal Gregori Zhukov and others celebrate the German surrender. AFP/Getty Images hide caption

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