Earlier quoted context omitted.
> It 100% is all about Russian preventing a rival military base in a border country. Not so sure about that. To me this looks more like a diversion from internal political problems, "Wag the dog" style.
It's slightly more than that. Russia (Putin) can't stand a successful democracy on his border, especially one that used to be in the USSR. For some reason, he ignores Estonia, Latvia, and Lithuania. But Ukraine? It's a direct threat to Putin's power if it is successful as a real democracy, if it turns toward the west. Not just because it diminishes Russia's sphere of influence, but because it shows a path that Russia…
Bigger fish to fry at the moment in his USSR2.0 drive.