Canadian Prime Minister Stephen Harper shakes hands with United States President Barack Obama at the 25th anniversary celebrations of Poland's first partly free post-Communist elections in Warsaw, ... more 
Canadian Prime Minister Stephen Harper shakes hands with United States President Barack Obama at the 25th anniversary celebrations of Poland's first partly free post-Communist elections in Warsaw, Poland, Wednesday June 4, 2014. (AP Photo/The Canadian Press, Adrian Wyld) less 
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Associated Press | Photo By The Canadian Press, Adrian Wyld
Wed, Jun 4, 2014 8:12 AM EDT