Yeah, just too old like Feinstein, Biden, Trump, etc.

[theking]

Mental capacity can only go so far in a life cycle so should hang it up before it's too late...  :

GOP senators express anxieties about Mitch McConnell's health — and what comes next

Some Republican senators harbor concerns about Mitch McConnell's health, saying they have personally witnessed changes in the minority leader, 81, after he fell and sustained a concussion in March. Publicly, Senate Republicans are rallying around McConnell, R-Ky., sending him their support and well-wishes.