PIE vs. Proto-World (Proto-Language)

[petegray]

Rick said:
>. DNA studies obtensibly show that non-African
> humans seem to go back a single population distinct from Africans.

"Distinct" from Africans?   Not in my reading of the texts.  I don't wish to
raise a non-linguistic topic, but your implication - that languages split
into African and non-African - is a language topic, and we need some
scientist out there to give us the DNA truth.

Peter