Either Putin is a madman willing to trigger mutually assured destruction, or he's not. From your post, it appears you believe he's not a madman in the face of

Either Putin is a madman willing to trigger mutually assured destruction, or he's not. From your post, it appears you believe he's not a madman in the face of economic strangulation, and he's also not a madman when the West supplies weapons that kill his forces. If the sanctions and the weapons work to lose him the war, does he retain his sanity? Or does he only remain sane if the sanctions and weapons fail, and he prevails in Ukraine?