FILE - In this July 23, 1998 file photo, South African President Nelson Mandela greets a crowd outside the National Congress building in Buenos Aires, Argentina, as he arrives for a meeting of the four-nation South American Common Market, or Mercosur. South Africa's president Jacob Zuma says, Thursday, Dec. 5, 2013, that Mandela has died. He was 95. (AP Photo/Daniel Muzio, File)