That includes all living American presidents — except George H.W. Bush — as well as 26 members of Congress. President Obama has confirmed he and first lady Michelle will attend Tuesday's memorial service at FNB Stadium in Johannesburg.
Most revolutionary political figures consider compromise a dirty word and a sign of weakness. Yet Mandela consistently preached pragmatism, and many of his defining moments involved acts of flexibility, reconciliation and magnanimity.
The visit is the first test of an interim deal Iran struck with the West in November. International inspectors have not visited Iran's Arak heavy water production plant in more than two years.
The new zone overlaps with some of the same area China laid claim to in November. The U.S. said the South Korean approach avoids confusion and threats to civilian airlines.
As they mourn the iconic anti-apartheid leader who shepherded South Africa to multiracial democracy, South Africans are experiencing mixed emotions. Some feel at peace with Nelson Mandela's death. Some are in disbelief, and some are anxious about a future without his guidance.