 Biden's problem from this debate is much more existential, is much more profound, because it's about whether he is able to perform the office of president, not just for the next few months, but for the next four and a half years. And that's a real problem for him. I'm Natalie Kittroweth. That's Today on The Daily from The New York Times. That's on the way at 6.30 here on KUNR 88.7.