Matt: You may be right. However, Russia may use a tactical nuclear weapon on the Ukraine, maybe on its nuclear reactor that is so controversial. If it did, what would the U.S.do? Respond and start WWIII?
I adhere to what Prof. Carroll Quigley who taught Civilization I and II at the Georgetown U. School of Foreign Service, told us: Above all else, remember that "The world is irrational" when it comes to international relations.