One thing from the Fiona Hill interview, and from tweets from Policy wonks, and western officials,, is clear..
Whatever happens, and whatever compromises Russia offers from now on, the draconian western sanctions against Russia, will never be removed..
The consensus view seems to be that any pause, and easing of pressure on Russia, will only be used by Russia, to rebuild and then launch the next phase of expansion.. That, Russian ambition of destruction of the Ukrainian state will not be scaled back, irrespective of the interim treaties that it may sign, due to lack of economic and military ability to achieve its ultimate goal..
She says how after the debacle of the first Chechen war, and Khasavyurt Accord, Russia all along biding its time, to rebuild and ultinately impose its will on Chechnya.. That Russia, intended to do this to Chechenya all along.. ( Her view )