I am not so sure...
http://nypost.com/2016/10/12/putin-could-be-readying-for-war-calls-russians-back-to-motherland/
Coupled with Russian defense exercise which involved 40 million citizens and their reported movement of nuclear weapons closer to the Polish border...
I don’t believe we are on the verge of nuke war with Russia.
Iran? That is another issue.
If it really does go hot, nobody will be able to argue that there were no signs of it coming, that’s for sure.