Thread by @GirkinGirkin

We have, in public, been equally clear, as a matter of principle, that the United States will respond decisively if Russia uses nuclear weapons and that we will continue to support Ukraine in its efforts to defend its country and defend its democracy. 

cbsnews.com/news/jake-sull…

We have communicated directly, privately, at very high levels to the Kremlin, that any use of nuclear weapons will be met with catastrophic consequences for Russia, that the United States in our allies will respond decisively.

SULLIVAN