Urheimat in Lithuania? (was Re: the Wheel and Dating PIE or NW-IE)

[Vidhyanath Rao]

"Brian M. Scott" <BMScott at stratos.net> wrote:
> I fell into the same trap at first, but Bob's right, assuming
> that one can always classify one branch as innovating and the
> other as non-innovating.  Start at the root, and at each node
> follow the non-innovating branch; you *must* end up at some
> leaf of the tree.

You >may< come to a leaf that is non-innovating for all >branch
determining< innovations. A branch might innovate without splitting
further. Also the non-innovating branch might go extinct, while other
branches continue to split.