text:  Ambassador, as I'm sure you know very well, President Biden's condition has become a subject of much discussion ever since a debate the other day. And it's now seen as hanging over this summit. It's happening at a time when he's trying to demonstrate to the public in the world that he's still up to the job. I want people to know that you served under Joe Biden when he was vice president years ago. You were his deputy national security advisor, if I'm not mistaken. Yeah. How different is President Biden today than he was 10 years ago, say, or even five?