Yes and with sovereignty comes a responsibility. My criticism is not towards the small eastern European states, who are quite understandably threatened by RF, but of NATO's lack of consideration of the diplomatic consequences of expanding its membership to them. I understand the reasons for it and as I said before I just think that its overtly hostile and inflamatory. Of course it's not for Russia to decide the future of Eastern Europe, but there are better ways to ensure peace than by enlarging military blocks. (Also EU membership would be enough to garuntee this, NATO is a distinctly more provocative group)
I highly doubt that. EU as a military organization is like a kid who attended karate classes for 2 months: thinks that he's powerful enough to fight but in real threat has no guts to even do anything. Same with many other organizations: OSCE, UN etc.
Remember 1994's Budapest Memorandum on Security Assurances? We discussed it in the past. Guess what, it didn't work. What's more pathetic that Russia who signed it is the one that is supposed to be defended against. And then it was asked about it: Putin was like "there was a revolution in Ukraine, we signed this document with previous Ukraine, not this Ukraine". That's just utter trolling and bullshit. Works just fine for the majority of Russians though: "Huehuehue, Putin is so smart, I'll drink my vodka for him (which is cheaper than water)"