Allot of the languages in Africa are Egypo-Hametic and they seem to form a crescent from Egypt to Morocco, with a big stab down the Nile Valley into Ethiopia. There need to be some research in this area.
Another question I have is why is there no Neanderthals or few in Africa?
Click on the link in post #53. You'll see'em leave and see'em come back. This is based on Oppenheimer's DNA studies.
"Another question I have is why is there no Neanderthals or few in Africa?"
Adapted for cold weather during the Ice Age. The Sahara was extremely dessicated during most of the Ice Age and difficult to cross...a few interstadials here and there though. The coldest time during the whole Ice Age was 18-23,000 years ago. It may even have been to cold for the Neanderthals
Having said that, I still keep the door open for any other possibilities and expect there to be some surprises in the next few years probably from expanded DNA surveys.