Missed that, thanks to your comment just watched it.
He is obviously not well. RBG's doctors need to look at him.
Here is the Nadler post referred to:
https://twitter.com/AMErikaNGIRLLL/status/1308830797080731648?ref_src=twsrc%5Etfw
Nadler’s health issues are starting to look bad. He kept all that weight on for so many years that it had to take its toll on his body. Now he looks like he has mobility issues. Is he the next John Lewis or Elijah Cummings??