Calestous Juma (@Calestous) will be joining the debate this Friday, November 30, at 1900 GMT. His piece on African tribalism is the primer for this discussion.
Make sure you join Calestous on Twitter for this event. Tweet #BBCAfricaDebate
Be sure to follow @BBCAfrica and visit http://www.bbc.co.uk/news/world-africa-20465752 for more information.
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