This seems like a big deal?
"Responding to a question on CNN about whether Harris should be the party’s automatic nominee if the president were to step aside, Clyburn (D-S.C.) said: “Well, I think we’re going to have a mini-primary leading into the convention.”
He also said people need to chill out and here we are parsing everything he says and framing it in a doom and gloom context. Biden was interviewed in depth on Howard Stern two months ago. People need to watch that and they’ll see he’s fine, especially compared to any interview from Trump.