Former President George W. Bush (right) and his father, former President George H.W. Bush, wave as they leave a family wedding in Washington, D.C., in May 2006. Normand Blouin-Pool/Getty Images hide caption

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Former President George W. Bush says his favorite from among the portraits he's painted of world leaders is the one he did of his father, former President George H.W. Bush. "I painted a gentle soul," he says. George W. Bush Presidential Center hide caption

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Former President George W. Bush gave Tonight Show host Jay Leno a painting Tuesday night. Since leaving the White House, Bush has taken up painting. The Tonight Show with Jay Leno's YouTube channel hide caption

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During George W. Bush's presidency, Republican leaders won praise for expanding food assistance. Now the House GOP is drawing criticism for cutting it. Matt Rourke/AP hide caption

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Former President George W. Bush and his successor, President Obama, at the April 25 dedication of Bush's library on the campus of Southern Methodist University in Dallas. Larry W. Smith /EPA /LANDOV hide caption

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President Obama and former President George W. Bush at the dedication of the George W. Bush library in Dallas. Alex Wong/Getty Images hide caption

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President Obama, former presidents George W. Bush, Bill Clinton, George H.W. Bush and Jimmy Carter attend the opening ceremony of the George W. Bush Presidential Center on Thursday in Dallas, Texas. The Bush library, which is located on the campus of Southern Methodist University, with more than 70 million pages of paper records, 43,000 artifacts, 200 million emails and four million photographs. Alex Wong/Getty Images hide caption

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Statues of former Presidents George W. Bush (left) and his father, George H.W. Bush, stand at the George W. Bush Presidential Center on the SMU campus in Dallas, where the George W. Bush Presidential Library and Museum will be dedicated Thursday. Kevork Djansezian/Getty Images hide caption

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