and here in new york peter barnhart city university of new york and cnn political commentator. thank you all. graeme i should start by giving you the floor. i just discoursed on your article. the question i have really beyond what i mentioned was you insist the islamic state and isis is very islamic, fine. what does that change in terms of the strategy one adopts. i notice at the end of the article you end up endorsing pretty much obama's approach to isis am i wrong? >> no you're quite right. i think many aspects of obama's approach are exactly what i would take. however, knowing the enemy i think is very important. if we understand how the organization of isis sees it sets we have a look at how it motivates recruits and how it presents itself. to deny it has any islamic character whatsoever is really to suggest something that simply isn't true and leads us to misguided approaces. >> a lot of islamic scholars and clerics have reacted to that article saying why do they get to define what's authentic islamic or not islamic, where do you come up? >> when it gets to a theological i