Castaway's parents thought they would never see him again
The father of Pacific castaway Jose Salvador Alvarenga said he was told his long-lost son vanished on a fishing trip but he didn’t have the heart to break the news to his ailing wife.
Then and now
Compare images from the 1979 Iranian Revolution to scenes from 2009 post-election unrest
Mideast/North Africa video
Exclusive: Prime Minister David Cameron Speaks to Brian Williams
In an exclusive interview, British Prime Minister David Cameron says he has 'no doubt' ISIS is plotting attacks in Europe and elsewhere.
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.