Randi, as has been reported elsewhere, has intestinal cancer. He's had surgery and is on chemotherapy, and is, I discovered a couple of days ago when I went to visit, bristling with energy and good humor. He can only be described as "chipper", although he doesn't seem to think his chin, which he's recently seen for the first time in many decades, ought to be allowed out in public.
He expects to be done with the chemo by the end of the year, and in the meantime his only complaint seems to be that he can only work six days a week instead of seven.
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