Wait until he wanders off the Whitehouse grounds and they are forced to issue a Silver Alert. The press won’t be able to hide it then. I just hope he doesn’t have the nuclear suitcase with him when he wanders off. He would trade it for an ice cream cone in a NY minute.
I doubt that Joe Biden has physical access to the "football" or the code cards needed to operate it. He may not be mentally capable of operating it either. He can smile and wave, that is about all.
His handlers certainly have strict orders to not allow him out of their control.