His handlers wrote a carefully crafted reply to the bumbling retraction of the embarrassing misstatement and clarification. Other than that it was all off the cuff.
Biden did pretty badly but it got much worse when he decided to sing Old Black Joe followed by Mammy. Networks cut the feed just then. Too bad. He has a passable baritone voice.
(just kidding-—it’s a joke).
That was the best part. That and the tap dancing.