Human populations are tightly interwoven
Nature | September 29, 2004 | Michael Hopkin
Posted on 09/30/2004 2:17:34 PM EDT by AZLiberty
http://www.freerepublic.com/focus/chat/1231661/posts
How about an independent origin somewhere on/around the continental shelf of Indonesia? Many symbols such as the tree of life appear to have moved from east to west.
There is an incredible drive in some parts of academia to have everything originate in Africa.