Biden's only primary challenger (so far) actually shows Biden's

Self-help author Marianne Williamson can barely articulate a policy reason for running.

Dean Phillips Apparently Has a Campaign Bus. Will He Throw Joe Biden Under It?

Minnesota Rep. Dean Phillips to challenge Biden with Democratic presidential run

The Complicated Reality of Joe Biden, America's Oldest President - The New York Times

The Case for a Primary Challenge to Joe Biden - The Atlantic

Get Used to It: Biden Isn't Going Anywhere - POLITICO

Biden's rough week highlights his biggest vulnerability in the campaign: his age : NPR

Could a Prominent Democrat Really Challenge Biden? It's Unlikely. - The New York Times

Poll: A majority of Democrats want new candidate to challenge Biden in 2024 primary

As 2024 election picks up, Biden campaign signals a more aggressive challenge to the press

Decision to put only Biden's name on the FL ballot in March 2024 spawned a federal lawsuit • Florida Phoenix

Biden's independent and primary rivals seize on his bad polls