If Russia wants to play Russian roulette that’s their choice. The Pentagon tracks Putin 24/7/365 and if he fires a nuke at us ten will certainly be fired at him.
Mutually Assured Destruction never ended as a US national policy with regards to Russian NBC attacks on the USA.
They can shoot a nuke at us and we’ll shoot hundreds in response.
Putin would never launch a nuke. Better to “gift” one to Iran. who can give it to a group-—sneak it over the border as “drugs” and detonate it at a soft target or city. Maybe Atlanta or San Diego? Russians can say they have no idea where it came from? So sorry? Then, say its a false flag operation on the part of the USA to start a war.