The problem for us spectators in one of these episodes is that we can't know who is serious and who is posing. At this point Russia and the West are like two baboons approaching the water hole from opposite sides, howling and barring their teeth, both knowing that a big enough show might get them what they want without a fight, neither knowing if the other will actually fight over the right for the 1st drink or not. Basically nothing has changed in primate psychology for 10 million years.
History does show that sometimes you have to act like a hawk to live like a dove. I remember in my youth there was big controversy over the MX missile in Europe. I was charged up about it, wrote all my congresscriters in opposition. So we built the missiles and in the end what we got was all the missiles removed. I remember Carl Levin wrote me a nice letter when it was over that said - politely "See, you could have trusted me on this....."
And that's the other problem, trust in the wisdom of our own gov is lacking anymore, and sadly for pretty good reasons.