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> Biden, whose mental faculties are a serious concern....well, you see where I'm going with this.

I have a lot of friends Joe's age and a lot of them stumble for words as he does.
When we're together we spend a lot of time looking for our phones or our glasses.
On the other hand these people have razor-sharp discernment of complex issues.
I'd like to see someone spend some time with Joe before drawing any conclusions about his acumen.