elizabeth palmer, cbs news, erbil. >>> coming up on the "morning news." help for expected moms and while eating during labor may not be as dangerous as first thought. >>> and chris christie is kicked off and tracked in a quiet car. this is the "cbs morning news."ad... ...you need new theraflu expressmax. theraflu expressmax combines... maximum strength medicines available without a prescription... ...to fight your worst cold and flu symptoms... ...so you can feel better fast and get back to the job at hand. new theraflu expressmax. why is philips sonicare the most loved electric toothbrush brand by americans and their dentists? because it leaves your mouth with a level of clean like you've never felt before. get healthier gums in 2 weeks innovation and you. philips sonicare daddy gator couldn't push the throttle on his little boat any harder if he tried. he's beached here, gazing out on an unforgiving landscape. for while the people who come in here use quilted northern, a toilet paper that works so well they completely forget their experience... "i've go

elizabeth palmer reports from erbil, iraq. captured by a helmet camera, prisoners are helped along by kurdish forces. in the background you can hear constant gunfire as kurds and special american forces battle isis fighters who ferocious initial resistance killed master sergeant wheeler. there is a glimpse of a huge isis flag. and jail cells built inside the house of a tribal leader. when the prisoners first came out, 69 of them in all. they were patted down by kurds, but you can hear there is american backup. >> hey, hold it right there. >> reporter: these are not the prisoners the raid was designed to rescue. the kurds had hoped to find 20 of their own fighters who were kaurped and captured and paraded by isis back in february. as soon as the raid was finished, a aircraft flew over the compound and destroyed it with a bomb. in the video posted by isis shows the wreckage and the casualties of a ferocious battle. in all say the kurds, isis lost 20 men. along with the 69 prisoners, the raid also captured six live isis fighters

our elizabeth palmer is in northern iraq tonight, and she's learned a great deal more about that raid. liz. >> reporter: scott, the secretary of defense ash carter said he authorized this raid when new information, including fresh graves indicated that the prisoners were about to be it executed. so a joint force of kurdish peshmerga fighters and u.s. special operations forces stormed this compound. they went in by helicopter, very early on thursday morning. master sergeant wheeler died when the kurds came under very heavy gunfire as they stormed the compound, and the americans joined in to help. now, this is video posted a very short time ago online by isis, which they say shows the aftermath of this raid. the mission was originally set in motion when the kurds told the americans that they thought some of their fighters who had been paraded as prisoners by isis were inside that compound. we now know they weren't there, but 70 other prisoners were, some of them believed to be it isis fighters and the secretary said that they will provide valuable information about how the group works.

elizabeth palmer is following this. >> reporter: 1945, a train pulls in and soldiers load it up withsts of nazi gold. it's a myth so powerful here in southwest poland, that history buffs stage aid reenactment recently. in reality, amateur treasure hunters andrei richter and piotr koper believe they have found a mysterious nazi train. it lies, they say, 25 feet underground here by the main railway line on the outskirts of the town of walbrzych. is the axis of the train like this? >> yes. >> reporter: it goes right under the road? koper and richter think once of nazis had parked the train in the trench in the bank, they somehow covered the whole thing up with earth and then removed all traces of the track. the nazis did occupy this part of poland during world war ii, and they had to retreat in a hurry as the soviet army advanced in 1945. so it is possible the germans wanted to hide something from the russians. you lay it down on the ground. and then you move it? richter and koper's ground-penetrating radar machine produced an image that does look like train cars with a cargo not of gol

the ground advising and assisting kurdish fighters in northern iraq, and that is where we find elizabeth palmer tonight. liz. >> reporter: scott, we know they're here because we actually ran into a small group of them, quite by accident, in the headquarters of one of the kurdish commanders. they wouldn't say anything, but the kurds say they're already an important part of the fight against isis up here. some of them actually live and work with the kurdish fighters right on the front lines. others help staff a joint command center here in the city of erbil. spotting, helping to coordinate airstrikes, and also going on joint operations like the raid on the isis jail last week that killed master sergeant joshua wheeler. the kurds say they're hoping for more joint rates like that and also further cooperation. >> pelley: elizabeth palmer reporting for us tonight in northern iraq. thanks, liz. so for insight into all of this, we'll going to michael morell, former number two at the c.i.a. and our cbs news senior security contributor. michael, how much difference does it make to have 50 u.s. special op

here's elizabeth palmer. >> reporter: the charred wreckage of mh-17 scattered across 20 square miles of eastern ukraine turned the whole area into a vast crime scene. today, the chairman of the dutch safety board, which headed the main investigation, was categorical. >> flight mh-70 crashed as a result of the detonation of a warhead outside the airplane >> reporter: the russian-made missile was fired from the ground, sailed the board. a simulation showed the blast a yard away from the plane pierced it with chunked the shrapnel and toart keck pit clear off. the pilots died instantly, though some passengers may have been conscious for up to a minute and a half. mh-17 crashed on ukrainian territory controled by russian-backed separatist militias. dutch investigators recovered as many pieces as they could and transported them to a hangar in the netherlands where, like a grim jigsaw puzzle, they were reassembled. that riveeld what had caused the crash but not who. a separate criminal inquiry will decide that. but defense analyst elliott higgins, who provided social media evidence to the d

more joint rates like that and also further cooperation. >> pelley: elizabeth palmer reporting for us tonight in northern iraq. thanks, liz. so for insight into all of this, we'll going to michael morell, former number two at the c.i.a. and our cbs news senior security contributor. michael, how much difference does it make to have 50 u.s. special operations forces on the ground in syria? >> scott, it doesn't sound like much but i think it's going to make a significant difference for two reasons. one is these special forces will be with syrian kurdish fighters who are right up against the heart of isis geographically. they're up against the center of mass of isis. and secondly, the special forces will, i think, just as they have in iraq, make these fighters better strategically and better tactically, help them make better decisions militarily. >> pelley: now, the russians have troops on the ground at a military base in syria. does this increase the confrontation? >> scott, i don't think so. i'm not concerned about that. these syrian forces, these kurdish forces forces that we're going

correspondent elizabeth palmer in northern iraq. liz, thank you. david martin, our pentagon correspondent, has gone inside the command center for the u.s. air war on isis, and you can see his report this sunday on "60 minutes." 101 days until the iowa caucuses, and republican donald trump has fallen out of first place. a new poll shows him trailing ben carson by nine points. one-time national front-runner it jeb bush is in single digits in iowa, and now he's laying off some staff and cutting salaries. democrat lincoln chafee ended his campaign today. he was polling at less than 1%. chafee is a former governor of rhode island. hillary clinton returned to the campaign today after 11 hours of testimony yesterday before the house benghazi committee. what did we learn during that marathon grilling? nancy cordes put the question to the chairman. >> as some of you may know, i had a pretty long day yesterday. yesterday. ( cheers and applause ) >> reporter: clinton did not declare victory today, conservative commentators declared it for her declaring the lo

elizabeth palmer is following this. >> reporter: 1945, a train pulls in.nd soldiers load it up with chests of nazi gold. it is a myth so powerful here in southwest poland that history buffs staged a re-enactment recently. in reality, amateur treasure hunters andre richter and piotr koper believe they found a mysterious nazi train. it lies they say 25 feet underground here by the rain railway line on the outskirts of walbrzych. >> is the axis of the train like this under the road? >> yep. >> reporter: they think once the nazis parked the train in the trench in the bank. they covered the whole thing up with earth and removed all traces of the track. the nazis did occupy this part of poland during world war ii and had to retreaten a ein a hus the soviet army advanced in 1945. it is possible the germans wanted to hide something from the russians. you lay it down on the ground and move it. richter and koper's ground penetrating radar machine produced an image that does look like train cars with a cargo not of gold but of tanks. the pole, government has gone ahe

here's elizabeth palmer. >> reporter: the charred wreckage of mh-17 scattered across 20 square miles of eastern ukraine turned the whole area into a vast crime scene. today the chairman of dutch safety board which headed the main invesesgation was categorical. >> flight mh 70 crashed as a result of the detonation, on the left-hand side of the cockpit. >> reporter: the russian made buk missile was fired from the ground said the board. a simulation showed the blast a yard away from the plane pierced it with chunks of shrapnel and tore the cockpit clear all. the pilots died instantly. though some passengers may have been conscious for a minute and a half. mh 17 crashed on ukrainian territory controlled by russian backed separatist militias. dutch investigators recovered as many pieces as they could and transported them to a hangar in the netherlands where like a grim jigsaw puzzle they were reassembled. that revealed what caused the crasasbut not who. a sepapate criminal inquiry y ll decide that. defense analyst elliott higgins who provided social media evidence to the dutch investigato

elizabeth palmer, cbs news. elizabeth: the world series starts tomorrow night. we will check in with the kansas eric: last yeang. it's amazing. this is amazing. that's amazing! real people are discovering surprising things at chevy. we're sold. it's so pretty. beautiful. it feels great. perfect. this is not what i would expect from a chevy at all. get more than you expect for less than you imagined. the 2015 models are going fast. find your tag and get cash back for 15% of the msrp on select 2015 vehicles in stock. or, get 0% financing for 72 months on these remaining dear future, life is good. no, great. i'm like, a man. only better. but even though i know everything, i still feel like you could surprise me. like that skateboard incident with the squirrel. but life is sweet now. hey, what could go wrong? it's you and me all the way, future. metinka: good morning. it is a chilly start. we do not have much wind coming in from the south east. we are starting out with clear skies and end up with cloud cover this afternoon. no rain in store for your monday. highs ne

here's elizabeth palmer in northern iraq. >> reporter: in the video captured by a helmet camera, dazed and terrified prisoners bolt from their jail before dawn helped along by kurdish special forces. constant gunfire as kurds and american special forces battle isis fighters whose ferocious initial resistance killed master sergeant wheeler. there is a glimpse of a huge isis flag. and jail cells built inside the house of a tribal leader. when the prisoners first came out, 69 of them in all, they were patted down by kurds but you can hear there is american backup. >> these are not the prisoners the raid was designed to rescue. the kurds had hoped to find 20 of their own fighters who were captured and paraded by isis back in february. as soon as the raid was finished, a coalition aircraft flew over the compound and destroyed it with a bomb. in the morning light video posted by isis shows the wreckage and the casualties of a ferocious battle. 20 men. on top of those 69 prisoners, jeff, the raid also netted six live isis fighters who will be a very valuable source of information for both the

elizabeth palmer is in northern iraq. is. >> reporter: the video captured on a helmet camera emerging one by one from their cells to be patted forces. although you can clearly hear the american backup. >> right there. >> reporter: t t kurds released this individual-- video to show their close partnership with american might. on the well forthified front line near the keel oy-- key oil city of kirkuk it was a moral bush for the kurdish peshmerga fighters who make do with outdated weapons and get their salaries late or even not at all. general k kal kirkuki is the area commander. >> for america, for us, who liberate the civilian people's live. >> reporter: to isis fighters, hiding and watching, less than a mile away, the pictures will come as a blow. but freedom has a price. in this case, a exuls ore camera call for the prisoners to embrace their kurdish-- kurdish liberators and say thank you. saad khelef ali feraj is an iraqi policeman who is overcome as he described how isis told him he had only an hour left to live. with

elizabeth palmer is in northern iraq for us tonight. liz. >> reporter: the operation to take mosul back should have gone ahead about six months ago, and yet the iraqi army is stalled more than 100 miles away. commanders here say that the iraqi army simply can't do it alone, but even with american firepower and intelligence, there is another huge problem. the iraqi army is largely shiite. mosul is a sunni city, and that means it's filled with people who actually, crazy as it sounds, support isis, or at least they think rule by isis is preferable to having their city taken by a shiite army backed by a corpt government in baghdad. bottom line, this is not going to happen any time soon. >> pelley: the two major factions of islam opposed to each other there around mosul. lizalmer, thank you verer much. every day, three children are killed and 470 injured in car they were hit by the front seat. kris van cleave has our investigation. >> reporter: 16-month-old taylor warner was riding in the backseat of her family's minivan five years ago when