TIGNER Brooks <br/><br/>
NATO could never engage Islamic State directly, allied officials admit / 
Brooks Tigner 
 -  2015 
<br/><br/> The article focuses on the struggle that prevents NATO to be involved in the IS conflict, seeing religious differences as the main factor. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NATO<br/>ISLAMIC STATE