Why nuclear war with Russia should be the least of our worries.
As Russian forces bear down on the Ukrainian capitol, many in the world watch filled with fear. Russia is a nuclear power they reason and will use nukes against anyone who opposes them. This is feuled by Putin's threats against NATO and the EU that any nation interfering with suffer serious consequences. Then of course there is the upping of his nuclear posture that caused nations of the world to do the same.