According to Tom Kane's Daughter, he suffered a stroke two months ago. He is in therapy, but his speech centers were affected and he may be forced to retire.
https://www.theilluminerdi.com/2020...HFTn-YsarKmHsOunf9dP6Oh-77t1eobX-1gV4gMH5qLNQ
https://www.theilluminerdi.com/2020...HFTn-YsarKmHsOunf9dP6Oh-77t1eobX-1gV4gMH5qLNQ