warnings. now turkey's president says the country will not apologize. >> i think if there's a party that needs to apologize, it's not us. those who violated our air space are the ones who need to apologize. our pilots did their duties which responded to the rules of engagement. i think this is the essence. >> let's go straight to matthew chance live for us in moscow. this is a critical meeting. it is sort of wrapping up this worldwide tour meeting with leaders hollande has had from cameron to merkel, obama, new putin. what do you expect to come from the meeting? >> i think that's a really good point. planned in the aftermath of the paris attacks and it came before the shootdown of that russian warplane by turkish f-16s on the