Did all humans originate in Africa?

<p>“Humans of any skin tone can interbreed and produce fertile offspring. That is a fact. And that fact is all that is required to say that humans all belong to the same species.”</p>

<p>I don’t think anybody is arguing that humans are not all the same species. Are you arguing that speciation has ground to a halt in the hominid line and the laws of evolution repealed?</p>