For those decrying the West and globalization...
The real reason Africa is poor is because of Africans. Look at Rhoedsia. It used to supply most of the food for the entire continent before Mugabe and ZANU-PF started killing white farmers. Now the country imports crops.
Here is another article about why some places in Africa aren't improving:
http://www.nytimes.com/2010/05/23/opinion/23kristof.html
Back from the dead, I'm afraid.