Biden said he was fresh out of the shower when he began chasing Major and tried grabbing his tail when he fell down and broke his foot.

So he was trying to rape his male dog?

That old child-sniffer shouldn’t own a GSD

Yes GSD are human agressive. Hence why they make excellent guard dogs.

maybe dementia is contagious?

Dog likely had trauma like most rescued dogs. It's a special commitment in training the animal that few have time or skill to do. Best if he was sent to obedience camp then adopted by an appropriate person. A lot of people get these dogs because they are "cute". This is a working breed.