Dedication of the President George W. Bush Library
Five living presidents gathered Thursday in Dallas.
STFFormer Vice President Dick Cheney, center, shakes hands with former British Prime Minister Tony Blair during the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. Former President George W. Bush's daughter Jenna Bush Hager is at right. (AP Photo/Charles Dharapak)