i sat with a former cia director in the clinton years and sat with porter gosz. and i sat with a former mosad intelligence chief in israel and said what do you worry about and keechs you up at night? isis, isis isis. >> and they talked about this before we heard a word. >> it morphed in to something more dangerous. and i want to go there. and honestly, i thought that isis was five year down the road big story. i thought i would get out and write about what could happen. it is much faster and killing christians and beheading and crucifying and raping girls and enslaving people. and genocidal conditions and with chemical weapons and a horrific game change. >> why did isis get so powerful quickly. you were thinking it was five years away what happened? >> main thing that happen was president obama massive mistake inside of iraq because he thought that al-qaeda was on the wane. and he thought isis was a jv team, he pulled all of our forces out of iraq. everyone, almost everyone including the defense security told him not to do it. you are going to create a vacum and