If rebel leaders '' fail to grasp their best chance for peace , then Darfur faces a cataclysm , '' wrote Alex de Waal , an expert on Sudan who is a member of the African Union mediation team , in an open letter made public on Thursday . ''
Darfur
Sudan
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Sudan
Darfur
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Sudan
Darfur
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LOCATION
Darfur
PERSON
Alex de Waal
LOCATION
Sudan