There was an embarrassing lack of questions from the audience of 800, so we decided to help him out. Really, folks, even if the knee was Lucy's, it would hardly constitute evidence she was becoming human. No one seriously suggests large dogs are becoming bears. Furthermore, like.dogs, there is enormous skeletal variety among apes. Even if someone does discover an ape with an angled femur, we would still know nothing of an ape's ability to have human progeny.
Paleoanthropology is truly a fascinating science.
After the meeting, he recognized me in a small group. He argued that homology was a very good proof, claiming that DNA homology between apes and humans had proven our close relationship. Similar bridges have similar blueprints. This hardly constitutes evidence that one sired the other, or that the were erected by tornados. Please refer to the last sentence in the first paragraph above.