Will Russia invoke the UN charter to defend it citizens living in their ancestral homelands ?
1954... so not so ancestral )
For many older Russians the Crimea holds a magnetic hold. That may well be the tipping point despite any rationality, those that speak Russian will surely know the immortal line in Brat 2. Doesn't help that Ukraine has a comedian (literally) as President, even (previously) Willy Wonka had more competence. I lived there three years and nothing surprises me about the place.