Now, now.  SAD was only the last of a series of possibilities I set forth, certainly not a diagnosis.  But people can be affected by it even if they are from polar latitudes and it is not necessarily incapacitating.  Then perhaps the reports of him being unavailable, etc. are just gossip or misdirection.  But Putin is human and subject to frailties, even if he is your hero. :-)

As the Dutch said while fighting the Spanish: "It is not necessary to have hope in order to persevere."