 and from the Doris Duke Foundation. This is All Things Considered from NPR News. I'm Ari Shapiro. And I'm Scott Detrow. After weeks of hype, the big day is finally here, the first presidential debate of 2024. Former President Donald Trump and President Biden will meet on a CNN set without an audience for 90 minutes. They debated twice ahead of the 2020 election, and the first one devolved quickly.