. >> in the past 24 hours we heard , whoour security advisor said we have seen a significant rebuild up of russian forces along the border, potentially positioning russia for so-called humanitarian or peacekeeping intervention in the ukraine. the white house is deeply concerned not just about russian direct supply for the separatists but perhaps for this direct russian intervention in the crane. >> i would not talk about any intervention, not in the sense of international law. intervention is intervention. any case of shelling ukrainian territory actually represents an act of aggression. aggression is aggression. confident that we could see de-escalation of the situation. >> you have been working with secretary kerry just today and yesterday. you are in brussels last week working with the european on at fornisters de-escalation. is there any chance president clinton will take that opportunity to pursue the offramp? striking that there have been a few opportunities that have been made available by many an international community and yet each time russia has not gone down that path. an