BBC News - 'My memory is fine' - Biden hits back at special counsel
https://www.bbc.co.uk/news/world-us-canada-68244352
I'm guessing this is exaggerated for election fodder (particularly the bit about his sons death) as Robert Hur is a Republican, although I've no doubt Biden is struggling.
What is this thing about US politicians having to pretend they're healthy?
I can't fathom how Biden and Trump are the only options in a country with such a large population.