So many moving parts in this skirmish. I take you think the Russians are justified in this invasion?
My actual view is that this crack-up was from a geostrategic or geopolitical perspective inevitable. The global financial empire was pushing ever relentlessly east towards the Russian border, and the Russians are paranoid about foreign invasion from the North, South, East and West. They think they have their own culture and their own ways. We kept thinking what they really wanted was a MickeyDs in every neighborhood.
I am a realist. Reality sucks. It's one of those places that have always been a mess because they are borderlands to competing geopolitical forces. My other view is that it is long past time that the US put its resources into our own people's interests and stop trying to become an Asian land power. It's a role that sucks. We are watching how messy it is before our eyes. I can't say it's not our circus because our clowns helped organize the mess and sold tickets.
There is a long history of events leading to this war and the US is not blameless.