The Democrat party cancelled primaries in a few states to prevent anyone from running against Biden. The party picked this guy.
https://floridaphoenix.com/2024/03/20/chair-nikki-fried-defe...
https://abcnews.go.com/Politics/bidens-democratic-challenger...
https://ny1.com/nyc/all-boroughs/politics/2023/12/08/dean-ph...