mr. putin will step up. i hope he will see that some diplomacy can prevail that he can work out a solution with the ukrainian leadership. >> dickerson: i'd like to switch to talking about isis, jihad john was identified last week as muhammad emwasi this is the person in that chilling, the execution nor in that chilling hostage video. what do we know about where he is? >> well, i don't know about where he is that's for sure. clearly he is in syria -- it could be syria or iraq somewhere, we don't know. >> dickerson: should the u.s. be going after him specifically? >> oh, yes he's a target. there should be no question about that. >> dickerson: what would dough we about his he upbringing sort of middle class upbringing, what does that tell us about what is being recruited to fight for isis? >> that's the difficult question. what it tells us is that there are many young people, you can see this by the number of tweets on twitter, who are so disaffected, even youngsters that have parents that have done quite well in this country, which is somewhat surprising, whether they feel rejected sociallyl they feel they don't have an opportunity, w