Studying Moscow's past military actions across its periphery gives a perspective on the Ukraine conflict.
Apr 12, 2014 | 06:00 GMT
Russian minority groups could give Moscow leverage in pressuring the Baltic states.
Apr 10, 2014 | 04:26 GMT
At a time when NATO is expanding its air policing mission over the Baltic states, countries like Bulgaria are feeling increasingly isolated.
Apr 8, 2014 | 04:34 GMT