I saw a North Korean news item about two weeks ago, and it was quite obvious that the leader was having trouble walking, and seemed in pain. Probably everyone involved in the coverage was afraid to draw attention to this, so some bit of truth got out in the showing of that video.
I wonder if anyone in our intelligence services consulted with some good physicians, to get some information on what these symptoms could suggest. The leader is overweight, but why should he rather suddenly look like an old man trying to hobble along, and showing facial expressions of pain? Gout? Results of poisoning?
Sounds like Gout. Surely he has heard of Colchicine.