americans here at home. fighters from the most dangerous al qaeda affiliate, al qaeda in the arabian peninsula, overrunning an airport in southeastern yemen. chaos engulfing the lawless country with deep implications for safety on the u.s. homeland. the new american defense secretary conceded that the fall of the u.s. allied government the withdrawal of u.s. special forces and the closing of the u.s. embassy in yemen have all reduced america's ability to fight the terror threat. >> it's hard to imagine for people at home to imagine there's the same control and response. >> it's easier if there's a government with which we can cooperate in existence in that country. we're not going to find that all the time in all places in the world. and that's why we have counterterrorism capabilities that don't depend upon that. [ gunfire ] >> reporter: in iraq it is the terror group isis that is on the advance with a punishing assault on ramadi. iraqi officials inside western