How about at Yalta?
Towards the end he was very frail, no question about that.
However, for most of his service, he was able to function pretty well even with polio. .
I visited Warm Springs GA back in May and saw all the aids and gadgets he had to assist him in his living. He actually had a car rigged so he could drive it with hand controls.
In my view, there is no comparison between the polio and the parkinson’s.