domestic political pressures from international pressures to intervene militarily. despite the presidents pledge not to put boots on the ground there. the american impulse, so often, has been to put boots on the ground in some discipline to defend freedom. but lessons learned aren't that it is often more easier to get into a situation like this then it is to extricate yourself from. one so, a lot of careful discipline and thinking is going to go into the next few days, weeks and months i suspect. >> do you think that we should be taking military action now? >> i do not. i believe that we should arm the ukrainians. i believe that we should press all sorts of very aggressive sanctions. i believe that we should act in unison's would nato. but, in the current since some stances, i would not support putting boots on the ground. american boots on the ground. that is going to be stressed.