U.S. President Barack Obama's European trip includes stops in Poland, Belgium and France.
President Obama's Europe Trip
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U.S. President Barack Obama speaks during a ceremony marking the "Freedom Day" anniversary in Warsaw's Castle Square, June 4, 2014.
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U.S. President Barack Obama speaks during a ceremony marking the Freedom Day anniversary in Castle Square in Warsaw, June 4, 2014.
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U.S. President Barack Obama shakes hands with Ukraine's President-elect Petro Poroshenko during their meeting in Warsaw, June 4, 2014.
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U.S. President Barack Obama and Polish President Bronislaw Komorowski walk away after a group photo with Central and Eastern European Leaders in Warsaw, June 3, 2014.