C’mon, man!
I search for the video edit of Biden repeating this phrase... to no avail so far. Buried by google no doubt.
Biden has said the “n word” twice on the Senate floor.
https://www.youtube.com/watch?v=5Iz2LgyLr4w
Here ya go...27ish seconds in:
https://www.youtube.com/watch?v=nyq55Nzm4sg