CNN The Situation Room March 4, 2014 22:09:00
Have been very careful in interactions with the russian forces on the ground. so there is certainly a lot of concern about this escalating and it's obviously being watched very, very closely. wolf? >> anderson, thanks very much. a lot more reporting live from ukraine later tonight on "ac 360" at 8:00 p.m. eastern. the stakes are incredibly high right now for the united states and its european allies. will nato be drawn into the conflict? i'll ask a former u.s. undersecretary of state nick burns. he's standing by live. and russia's vladimir putin is opposed to military interventions unless ...