in ukraines south east and begin peace talks. do you think there's any gauge of what putin -- does he really want that? what does he really want and how does he go about remedying this, if it was, indeed, an accident by rebels that he was supplying equipment to? >> you know, christi, the issue is a very, very broad one. the response could be very in-depth. i won't go there. putin could stop it. he has acquiesced to date. this turmoil that exists in eastern ukraine, the world went, that's normal, when he annexed ukraine. establishing a new barrier in terms of what we're tolerate. he could stop it immediately by putting his foot down and saying, enough. stop supplying the russian separatists. agree having, as mary indicated, a legitimate and open