As world gathers, Mandela service presents security test
With scores of world leaders and 95,000 mourners packed into an open-air stadium, the memorial service for Nelson Mandela on Tuesday will be the biggest security event in modern memory — planned on just five days’ notice.
Then and now
Compare images from the 1979 Iranian Revolution to scenes from 2009 post-election unrest
Mideast/North Africa video
US, Pakistan to meet about drone strikes
Defense Secretary Chuck Hagel will meet with Pakistan’s prime minister and their new army chief regarding rising tensions over drone strikes on suspected militants.
Who rules Iran?
NBC's Chief Foreign Correspondent Richard Engel breaks down the power structure within the Islamic republic.
World Blog: Tehran, Iran
Iran election sparks violence
Opponents cry foul after Mahmoud Ahmadinejad is declared the victor.
Web extra video
Mystical populist: Mahmoud Ahmadinejad
Watch an in-depth profile of the Iranian president: firebrand, soccer fan and true believer in Khomeini's Islamic Revolution. Produced by Baruch Ben-Chorin.