Is there a clear sharp line where e.g. Estonia is a "real" US interest and Crimea isn't? I mean NATO membership is a line, but it's not feeling as solid as it used to.
Then there are European countries not in NATO, but cooperating with NATO, like Sweden and Finland. Both have a border with Russia.
Right. Not direct, but Kaliningrad is just 300km across the baltic sea. Stockholm to Kaliningrad is 500km across the baltic sea.
> We have a relatively good relationship with them, and such a war would be very costly with nothing to be gained.
There are many ways to influence a country.
https://sputniknews.com/europe/201702101050541682-finland-ru...