Parkinsons would have destroyed his great abilities as a stream-of-consciousness comic...how sad. I guess it was just a bridge too far for him. :-(
I watched a short clip of an appearance of Williams on the Craig Ferguson show today...it was wonderful. They are both rapid fire stream-of-consciousness comics and they were at their best.
https://www.youtube.com/watch?v=Yw9Evwb1vtQ
And from a week earlier
https://www.youtube.com/watch?v=wkx4S_MUaG0
His wife said he was losing exercise abilities, which was what he did to fight depression and anxiety. And I think that was the end of the road for him.
"Perfect Storm': Parkinson's Disease May Worsen Depression"
Thanks for the links to watch later!!!