Nelson Mandela raises a toast to his supporters in Johannesburg on Monday May 2, 1994 shortly after giving his victory speech. Mandela and the ANC appear to have won the majority of the votes in South Africa's first all-race elections. (AP Photo/David Brauchli)

African National Congress President Nelson Mandela, left, and his wife Winnie Mandela react to supporters at the governor's palace, Thursday, August 1, 1991, Rio De Janeiro, Brazil. Mandela is in Brazil for the final leg of his Caribbean and Latin America tour. (AP Photo/Bebeto Matthews)

Nelson Mandela smiles during his victory speech in Johannesburg on Monday May 2, 1994. Mandela will become South Africa's first black president following his majority win in the historic all-race elections. (AP Photo/John Parkin)

PHOTO: AFP/EAST NEWS (FILES) A picture taken on February 25, 1990 shows anti-apartheid leader and African National Congress (ANC) member Nelson Mandela raising his fist as he arrivess to address a mass rally, a few days after his release from jail, in the conservative Afrikaaner town of Bloemfontein, where the ANC was formed in 1912. Nelson Mandela walked out of an apartheid prison 20 years ago on Thursday, beginning South Africa's march to democracy and reconciliation that made him one of the world's great statesmen. AFP PHOTO FILES / TREVOR SAMSON

African National Congress President Nelson Mandela gestures while meeting with President George Bush in the Oval Office of the White House Thursday, Dec. 5, 1991 in Washington. (AP Photo/Ron Edmonds)

Hollywood actor Arnold Schwarzenegger, right, and former South African President Nelson Mandela prepare to light a torch on Robben Island, off Cape Town, South Africa, Thursday, July 12, 2001, to promote the Special Olympics. The promotion is part of a drive by the Special Olympics to recruit additional African athletes. (AP Photo/Peter Baeurmeister)

President George Bush greets South African leader Nelson Mandela on the South Lawn of the White House, Monday, June 26, 1990, Washington, DC. Mandela told Bush the support blacks in South Africa have received from the United States, particularly economic sanctions, have been crucial promoting changes in his country. (AP Photo/Doug Mills)

Nelson Mandela is shown in 1994. (AP Photo)

Nelson Mandela is shown in 1994. (AP Photo)

President George H W Bush greets African National Congress Deputy President Nelson Mandela at the White House Monday, June 25, 1990 in Washington. During the statements to the media Mandela said he would ask the president to maintain sanctions on South Africa. (AP Photo/Doug Mills)

African National Congress President, Nelson Mandela shown in July 1993. (AP Photo)

Deputy leader of the African National Congress Nelson Mandela and his wife Winnie waving from a Strasbourg's Town Hall balcony Wednesday, June 13, 1990. Mandela is here to address the European Parliament regarding economical sanctions against South Africa. (AP Photo/Christian Lutz)

South African President Nelson Mandela acknowledges applause during his address to a meeting of Congress on Thursday, Oct. 6, 1994 on Capitol Hill. Vice President Al Gore, left, and House speaker Thomas Foley of Washington state applaud the South African President. (AP Photo/Greg Gibson)

President Bill Clinton looks on as South African President Nelson Mandela speaks during a state visit arrival ceremony for the South African President on Tuesday, Oct. 4, 1994 at the White House in Washington. (AP Photo/Dennis Cook)

Pope John Paul II, right, shakes hands with Nelson Mandela, deputy leader of African National Congress, during a private audience at the Vatican, Friday, June 15, 1990, Rome, Italy. (AP Photo/Claudio Luffoli)

Former South African President Nelson Mandela, left, musician, Vusi Mahlasela, center, and television presenter Leanne Manas, right, in Johannesburg, South Africa, Monday, July 11, 2005, where Mandela welcomed four prominent South African celebrities to the Nelson Mandela Foundation as part of his 87th birthday celebrations. 46664 is Mandela's official prisoner number used during his years of incarceration. (AP Photo/Themba Hadebe)

African National Congress President Nelson Mandela leaves the Elysee Palace in Paris Thursday, Oct. 14, 1993. Mandela and South African President F.W. de Klerk, were named as joint winners of the Nobel Peace Prize, in Oslo on Friday, Oct. 15, 1993. (AP Photo/Michel Lipchitz)

South African President Nelson Mandela (L) welcomes Pope John Paul II on his arrival at Johannesburg airport on September 16, 1995 for the pontiff's first official visit to South Africa. AFP PHOTO MICHEL GANGNE

Former South African President, Nelson Mandela, in a jovial mood at the Mandela Foundation in Johannesburg Wednesday, Dec. 7, 2005 where he met with the winner and runner-up of the local

Nelson Mandela shields his face from camera lights, as he responds to a question from the press on Tuesday, April 12, 1994 in Johannesburg, South Africa. A team of international mediators began arriving today to help break a deadlock threatening this month's national election. Mediation will focus on Zulu demands for constitutional guarantees of autonomy following the election. (AP Photo/ Lynne Sladky)