Author who met with ISIS leaders says ISIS is much more dangerous that al-Qaeda ever was and is preparing for the largest violent religious cleansing campaign the world has ever seen

http://www.barenakedislam.com/2014/12/23/author-who-met-with-isis-leaders-says-isis-is-much-more-dangerous-that-al-qaeda-ever-was-and-is-preparing-for-the-largest-violent-religious-cleansing-campaign-the-world-has-ever-seen/