The United Nations has recently come under attack for its handling of both the Ebola outbreak and the war in Syria. It has prompted some to question what the role of the U.N. should be on the international stage. We look at the relevance of the U.N., 70 years after its creation.
William Kamkwamba describes dreaming of bringing light to his village in Africa and how he taught himself physics and used spare parts to build a windmill that produced electricity.
- William Kamkwamba a student at the Pan-African Leadership Academy in South Africa and a 2007 TED Global Fellow.
- Bryan Mealer author of "All Things Must Fight to Live" and a former Associated Press correspondent in the Democratic Republic of Congo.
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