> they would have to move their big cities to the east ... at an impractical cost. Yeah, that seems like the heart of the problem. Apparently the better optio

> they would have to move their big cities to the east ... at an impractical cost. Yeah, that seems like the heart of the problem. Apparently the better option was to just invade those wilful neighbours, and force them to use their territory as a buffer zone instead. Except, that's not at all how it's going to play out. Not after the "Fool me once..." Crimea invasion.