Funny how Russia is the most reviled country on CFC
Maybe it has something to do with the fact that Soviet Union really . .. .. .. .ed up some of their neighbouring countries? I know, Russia =/= USSR, but Russians have started acting up again (Georgia etc). Personally I don't hate Russia but I'm a little bit worried. Besides, I don't really see how Egypt, Saudi Arabia or Columbia could ever threaten Europe. Oh wait I'm pathologically hate-filled European and/or sociopath.
Getting back to the topic at hand, I don't think Russia would budge easily. My guess is they would try just about every, even remotely viable alternative (pressuring Europe, alternative trading partners etc, but not war) before giving in.