Poor David. The fact that he is also likely an alcoholic who has abused drugs for a long time doesn’t help either. That track record may have brought the dementia to him much younger than it had to be. I do hope he really does retire.
It was sad enough seeing Glenn Campbell struggling through his last tour years back.
I was reading a little bit about this father. Jack Cassidy had some real problems.
Heavy drinking definitely seems to have correlation with Alzheimers/dementia.