Is Putin still of sound mind and acting rationally? If so, I'm not much worried about a wider conflict or nuclear weapons. Unfortunately, it's not clear he is a

Is Putin still of sound mind and acting rationally? If so, I'm not much worried about a wider conflict or nuclear weapons. Unfortunately, it's not clear he is acting rationally, and if things continue to turn against his favor (which almost every one here is rooting for) we could be facing a desperate madman with nothing to lose.