South Africans prepare for life after Mandela

Though he's still living, Nelson Mandela, the revered former leader of South Africa, makes fewer and fewer public appearances. Now 93, many South Africans are preparing for the day Nelson Mandela will no longer be alive.

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Nelson Mandela turns 93

Nelson Mandela turns 93 today. His foundation has urged people to mark the second annual "Mandela Day" by devoting 67 minutes of volunteer work today, representing the 67 years he devoted to South Africa's political struggle.