South Africa is preparing for one of the largest global gatherings in recent history, with more than 50 heads of state expected to attend the state memorial for Nelson Mandela. Some worry the massive ... more 
South Africa is preparing for one of the largest global gatherings in recent history, with more than 50 heads of state expected to attend the state memorial for Nelson Mandela. Some worry the massive show of affection by world leaders and citizens might be more than the country's resources can bear. Bill Whitaker reports. less 
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Thu, Dec 12, 2013 1:15 PM EST