DALLAS, TX - APRIL 4:  Members of the media take photographs inside the George W. Bush Presidential Library and Museum for a preview of the art painted by former president George W. Bush. The exhibit, "The Art of Leadership: A President's Personal Diplomacy" on April 4, 2014 in Dallas, Texas. The exhibit opens to the public on April 5 and features paintings of 24 world leaders. (Photo by Stewart F. House/Getty Images)