They should not allow any breaks, no chairs or stools. Biden wants a break every 30 minutes so he can get another shot or change his diaper.
I still think Trump should through out a few Bidenisms (”... you know, the... the THING”) and MOCK him to his face. Infuriate the bastard. It will break his conditioning and his natural anger and uncontrolled ego will come out... and the RATS will be finished.
Just roll in the changing table. Or throw a pee pad down on the stage. Trump will smell it there is no hiding that smell.