president putin today dealt with the political process that has been under way in vienna. the president reiterated that this is an area where we all need to work together and that, frankly, making progress with respect to a political dialog dialogdialogue and a cease fair inside of syria will also enable us together as an international community to focus on isil. that has been the focus of the u.s.-led coalition in syria. we think that should be the focus of the russian military action in syria. >> vladimir putin said this to reporters after the meeting. we have an understanding how we should proceed in we talk about a political settlement. we need to work on a new syrian constitution, new elections, and control over their outcome. joining us now the co-authors of a new politico article entitled "why isil will fail on its own."