warnings. new this morning, we're getting an inside look at the mission to defeat isis in iraq and syria. backed by u.s. air power, iraqi troops are just a mile away from the isis-held government compound in ramadi. these are pictures from inside ramadi. now, it's incredibly dangerous, this battle as soldiers make their way through the streets. u.s. colonel steve warren told cnn isis has rigged house there is to explode. >> this enemy has set up defensive belts so they use ieds, the same ieds we faced here in iraq years ago but now they use them as clusters as if they are mine fields. they will rig entire houses to be -- to explode if you come near them. >> colonel warren is in baghdad, part of the american team heading up the effort in iraq. barbara starr joins us to tell