The discussion was not about "attacking Russia directly". It was about NATO boots on the ground in Ukraine. In that case, there's a near-zero percent chance tha

The discussion was not about "attacking Russia directly". It was about NATO boots on the ground in Ukraine. In that case, there's a near-zero percent chance that Russia would use nukes. Allyship does not require NATO membership. Clearly, the U.S. and NATO members consider Ukraine an ally.