Trump essentially says Biden is too moderate:

[tblue37]

Link to tweet

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David Frum
@davidfrum
New theory from Trump camp: Biden did himself tremendous harm by revealing himself as politically moderate, culturally conservative, from a working-class Irish Catholic background - instead of going for the all-important anarchist vote!

Donald J. Trump
@realDonaldTrump
Chris had a tough night. Two on one was not surprising, but fun. Many important points made, like throwing Bernie, AOC PLUS 3, and the rest, to the wolves! Radical Left is dumping Sleepy Joe. Zero Democrat enthusiasm, WEAK Leadership!

[Claustrum]

1. In Trump world, Biden is both too senile but can memorize questions and answer

In Trump world, Biden is a radical socialist and a moderate that turned left wing away.

Basically, Biden is a shapeshifter that takes whatever form Trump wants.....

[kimbutgar]

2. We all saw the debate last night

But I guess MF45 does want us to see or hear with our lying eyes or ears.

It appears he’s trying to do a 1984 psyche on us!

[elleng]

3. 'instead of going for the all-important anarchist vote!'

[comradebillyboy]

4. Trump desperately wanted to run against Bernie. That's why

he's always trying to hang Bernie, AOC and the squad around Biden's neck.