Not all uses of nuclear weapons necessarily escalate to the doomsday maximum exchange scenarios. There are many interesting points of equilibrium in between.
For example - if far right extremists took over Turkey and attacked Russia, then Russia nuked a Turkish airbase, what would the US/UK/France do? It's not actually that obvious.
For example - if far right extremists took over Turkey and attacked Russia, then Russia nuked a Turkish airbase, what would the US/UK/France do? It's not actually that obvious.