I was looking for a transcript of this hard-to-hear conversation and went down the beginning of a rabbithole, the LBJ tapes. Sticking this here after all that work:

(Bread #3237)

>>2565245

That would be the second phone conversaton LBJ had with Russell that day.

Audio:

PHONE CALL: LYNDON JOHNSON & RICHARD RUSSELL (11/29/63)

https://www.youtube.com/watch?v=YE6i2vYbY3I

Transcript:

November 29, 1963, 8:55 p.m.

TELEPHONE CONVERSATION BETWEEN THE PRESIDENT AND SENATOR RUSSELL

https://www.history-matters.com/archive/jfk/lbjlib/phone_calls/Nov_1963/pdf/LBJ_11-29-63_Russell_2nd.pdf

This is the first conversation they had that day.

Audio:

LBJ and Richard Russell, 11/29/63, 4:05P.

https://www.youtube.com/watch?v=srosYmhJfV0

Transcript:

November 29, 1963, 4:05 p.m.

TELEPHONE CONVERSATION BETWEEN THE PRESIDENT AND SENATOR RUSSELL

https://history-matters.com/archive/jfk/lbjlib/phone_calls/Nov_1963/pdf/LBJ_11-29-63_Russell.pdf