WMD in MC; negative values

[Kuriltai]

Would there not be serious political repercussions for a NATO military authorizing a nuclear strike over NATO soil without the excuse of the "WP did it first"?

I think this is the basis for the rule working as it does. What you are proposing would never be a capability given to the NATO military, but controlled by the governments of NATO.

But what if NATO was losing the conventional war in a big way? How far could the PACT advance before someone decided they had to be stopped at any cost?