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Photo by: Benny Snyder

Portraits of former Presidents Goerge W. Bush, left, and his father George H.W. Bush which are part of the exhibit "The Art of Leadership: A President's Diplomacy," are on display at the George W. Bush Presidential Library and Museum in Dallas, Friday, April 4, 2014. The exhibit of world leader portraits painted by George W. Bush opens Saturday and runs through June 3. (AP Photo/Benny Snyder)

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