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South Sudan's President Snubs Peace Deal
South Sudan; Iran Nuclear; Space Elevator.
South Sudan's President Salva Kiir has failed to sign a peace deal aimed at ending the civil war in his country. We find out why.
Is it still "Death to America" after Iran's nuclear agreement?
And could space planes be replaced by a space elevator in years to come?
Picture: South Sudan President Salva Kiir arrives for a political rally in Juba in March 2015. Credit: ASHLEY HAMER/AFP/Getty Images
Last on
Tue 18 Aug 201506:00GMT
BBC World Service Online
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- Tue 18 Aug 201506:00GMTBBC World Service Online