That was one of the ideas discussed at the recent African union meeting. further details here

http://www.euronews.net/en/article/02/02/2009/gaddafi-elected-to-head-african-union/

What are the pros and cons of such a move?

Will it make for a stronger Africa for instance?

Who would be in charge of a nation?

How would they get around the different languages and cultures?

Please share your views