Democrats are talking about replacing Joe Biden. That wouldn't be so easy.
![Democrats are talking about replacing Joe Biden. That wouldn't be so easy.](https://media-cldnry.s-nbcnews.com/image/upload/t_fit_1500w/rockcms/2024-06/240627-biden-debate-1048-zk-2e6a26.jpg)
President Joe Biden's performance in the first debate Thursday has sparked a new round of criticism from Democrats, as well as public and private musing about whether he should remain at the top of the ticket.