Former Ghana President John Kufuor, left, speaks with former Labor Secretary Elaine Chao at the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. (AP Photo/Charles Dharapak)

Photo by: Charles Dharapak

Former Ghana President John Kufuor, left, speaks with former Labor Secretary Elaine Chao at the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. (AP Photo/Charles Dharapak)