Video: Chrystia Freeland

How did this man impact revolution in the Arab world? (9:54) 

As the head of Al-Jazeera for eight years, Wadah Khanfar transformed the network into one of the most influential in the Middle East. Al-Jazeera's coverage of the Arab revolts this year, brought the network millions of viewer and praise from around the world, which is why Foreign Policy magazine has honored Khanfar as one of its ''Top 100 Global Thinkers.''

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