Comments by "Toby" (@toby9999) on "US weapons will give Russia significant problems" video.

I remember it differently to the way you're describing the evolution of the 'red line'. I'm quite sure I'd heard it from ruzzian officials early on that any attack on ruzzian territory would cross the line. And there was a lot of 'noise' around nuclear weapons at the same time. I also remember many commentators asking about attacks on the occupied territories after the sham elections... would they be considered crossing the red line etc.
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