Why do some keep calling it a civil war instead of a revolution? Sure, the government has hired/collaborated with non-government people to cause trouble/beat up the protesters, but which tyrannical government doesn't do that during a revolution? They all do it.
Because the descendands of http://en.wikipedia.org/wiki/Lviv_pogroms perpetrators will want an ethnically pure Ukraine. And East/South of Ukraine will not allow it. US state department is interested in the break up and pushing west ukr down the throat of EU(Germany) which really is not interested in that right now (EU is going down with PIIGS, but US needs even weaker EU with +50mil dirt poor Ukrainians with extremel…
In the long term, that will absolutely not be the case. They might be poor now, but will get richer as time goes.