** FILE ** Former South African President Nelson Mandela smiles as German Chancellor Angela Merkel (left) waves farewell after a meeting at the Nelson Mandela Foundation in Johannesburg in October 2007. (AP Photo/Peter Dejong, File)

Photo by: Peter Dejong

** FILE ** Former South African President Nelson Mandela smiles as German Chancellor Angela Merkel (left) waves farewell after a meeting at the Nelson Mandela Foundation in Johannesburg in October 2007. (AP Photo/Peter Dejong, File)