Joe Biden has always had a reputation for his gaffes. Here's an article from back in 2013, discussing Biden's gaffes:
https://www.telegraph.co.uk/news/worldnews/us-politics/9847946/Joe-Bidens-top-10-gaffes.html
Mischievous detractors are representing Biden's gaffes as evidence of dementia. Dementia is a progressive disease. Biden has always made gaffes. There hasn't been a sudden deterioration in his cognitive state, suggestive of dementia, as some are claiming. That's why an intelligent man like Bloomberg is happy to endorse Biden.
https://www.telegraph.co.uk/news/worldnews/us-politics/9847946/Joe-Bidens-top-10-gaffes.html
Mischievous detractors are representing Biden's gaffes as evidence of dementia. Dementia is a progressive disease. Biden has always made gaffes. There hasn't been a sudden deterioration in his cognitive state, suggestive of dementia, as some are claiming. That's why an intelligent man like Bloomberg is happy to endorse Biden.