Sources close to Biden report 'marked incidence of cognitive decline' in last 6 months: Bernstein

Anonymous sources reportedly close to President Biden have allegedly witnessed "15, 20 occasions in the last year and a half" similar to what the country saw at last week's presidential debate. 

"These are people, several of them who are very close to President Biden who loved him, have supported him and among them are some people who would raise a lot of money for him. And they are adamant that what we saw the other night, the Joe Biden we saw, is not a one-off, that there have been 15, 20 occasions...