I recall yet that ...

[sitifan]

“Mr. President,” said the moderator. “I want to raise an issue that has been lurking out there for two or three weeks…you are already the oldest president in history. And some of your staff say you were tired after your most recent encounter with Mr. Mondale. I recall yet that President Kennedy had to go for days with very little sleep during the Cuban missile crisis. Is there any doubt in your mind that you would be able to function in such circumstances?”
Source: https://history-first.com/2019/03/26/just-a-number-kennedy-reagan-and-the-age-question-in-2020/

Does the word "yet" mean "still" in the sentence in bold?

 

[teechar]

Does the word "yet" mean "still" in the sentence in bold?

If by "still" you mean until now, then no.
If by "still" you mean even more (as evidence), then yes.

Here, "yet" is used to introduce another example or piece of evidence to support an argument/position.