[applause] >> naturalist doug peacock looked at the the the time of change on animals, humans 15,000 years ago and talks talked about what we should take away from that history. he argues what with legal experience in the future will be worse. >> ' bush back >> thank you. i came down my favorite river today from from up around just below yellowstone and the great yellowstone river that the indians called the elk river is always my favorite river in the world. when russell came through here in the later 1830s, he noted that there were more grizzly bears on the elk river bottom ban any place van anyplace that he did then and this was a man that had been through all of it was everything else. this place. so it wasn't hard to get down here and of course the reason that i'm here today is because today's the anniversary of 9/11. it's an event that launched the modern series of war, and and inevitably that led to a couple more generations of investments