major support for frontliis provided by the john d. and catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world. more information is available at macfound.org. additional support is provided by the park foundation. dedicated to heightening public awareness of critical issues. the john and helen glessner family trust. supporting trustworthy journalism that informs and inspires. and by the frontline journalism fund. with major support from jon and jo ann hagler. (chatter on radio) >> ramita navai: i'm traveling through northern iraq, heading to the district of al fat-hah. until recently, this was isis-held territory. we've been driving for a few miles north of the country and every now and again we come across a scene like this. this is the town of beji. i should say it was the town of beji, just look at it. i'm on my way to meet a militia fighting against isis. with the world's attention focused on the battle in mosul, this is one of the war's hidden fronts. few journalists come here. you can see how close we are to isis now. on both