“Russian nuclear doctrine allows for Russia to use nuclear weapons when faced with an existential threat to the survival of the Russian state.

If the CIA and MI-6 were involved in the recruitment of Prigozhin with an eye toward facilitating Wagner’s march of Moscow, then they would have been directly engaged in an action that constituted an existential threat to Russia.”https://seemorerocks.is/scott-ritter-prigozhins-gambit-treason-by-any-other-name/