President Barack Obama, and former presidents, from second from left, George W. Bush, Bill Clinton, George H.W. Bush and Jimmy Carter arrive for the dedication of the George W. Bush Presidential Center ,Thursday, April 25, 2013, in Dallas. (AP Photo/The Dallas Morning News, Tom Fox)

Photos: Bush’s library dedication

All five living presidents — George W. Bush, Barack Obama, Bill Clinton, George H.W. Bush and Jimmy Carter – where on hand Thursday for the …