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)
** FILE ** In this 2008 file photo, Senate Minority Leader Mitch McConnell celebrates his re-election with his wife, Elaine L. Chao, in Louisville, Ky. (Associated Press)
