As for what Russia and Putin does - I think Putin has played the silence game for a very long time. Maybe he genuinely doesn't know to do.
Putin knows what to do quite well. He patiently expects for the looming failure of the currently lackadaisical “anti-terror operation” and successive toppling of the “interim government” by angry mobs in Kiev. Then,the newly fledged “right sector” junta will turn out to be responsible for real genocide in some region of Ukraine or other, and he will be able to liberate Novorussia from fascism without any risk of further sanctions and starting off WW3.