>> tonight an american killed by i.s.i.s. peter kassig. a former army ranger. details and analysis from julianna goldman and juan zarate. a rl incident killed chemical workers outside houston. when will the unusual cold temperatures end? ♪ >> and three decades later, rm recreate a charity hit of the past. knowledge ♪ >> this is captioning sponsored by cbs this is the "cbs evening news."

>> glor: good evening, i'm jeff glor. the white house confirmedthis afternoon what i.s.i.s, held last october, be kassig becomes the fifth western hostage beheaded by i.s.i.s. two other americans and two from britain were previously killed. the newest video however is much different than before. we have two reports tonight beginning with julianna goldman. >> this is peter edward kassig. a u.s. citizen of your country. >>reporter: like previous videos, this features jihadi john. but kassig was not kneeling this a orange jump suit and did not make a statement. shows i.s.i.s. soldiers executing syrian officers, there wasn't an additional western hostage at the end.

susan rice briefed president obama on the video board ifers ah 1. the parents released a statement said we are incredibly proud of our son, we will work every day to keep his legacy alive as best we can. i.s.i.s. revealed they kassig in october following the beheading of allen henning. kassig was abducted delivering aid to syrian brutalized by the civil war. he converted to islam while in captivity. he spent the last seven months pleading for his release. in an interview from margaret brennan they shared a letter from their son. >> he said if i go down for this, i want everyone to know i went down for a good cause.

what more can you ask? >> the video was released the day after the chairman joint chiefs of staff martin dempsey made a secret knowledge visit to iran. y jeff. >> julianna, thank you. we turn to juan zarate. this video is different than the ones we've seen before why is that? >> adding to the number of beheadings that are portrayed. it may also be that mr. kassig refused to go on camera and propound the propaganda that others had before their execution. they are more open who's doing the beheadings. that may be a reaction to the crit sivment of the group by not who is doing them and why. the under degree of stress that

doesn't allow them the production value they've had in the past. >> that said when jihadi john revealed the are location, what's being gained by disclosing that are location? >> remaining territory, pace of the war, by doing this they're being brazen in the face of western pressure. in addition there is some theological being issues at play here. muslim army against infidels. this is a quest perhaps to inspire their followers. >> juan zarate, thank you very much. thanks jeff. >> the latest patient with ebola is critically ill this night. he is being treated in nebraska.

here's carter evans. >> dr. martin salia is in extremely critical condition. on a ventilator to help him breathe. in a statement, the hospital's rnl spokesperson calls it an hour by hour situation. one of three wearve countries -t african cund hardest hit by ebola. while dr. salia lives in sierra leone, he has a wife and two children in maryland. mada salia is his son. >> he went back to his country, that's made me worried a little bit. especially he says doctor, he treats patient. >> nebraska medical center is one of four hospitals with specially designed units to treat ebola. two other patients were flown here from liberia.

video journalist ashoi ashoka m. are declared ebola-free. but when are dr. salia arrived his railroad condition was far more grave. carter evans, cbs news, los angeles. >> we're learning more about a chemical leak east of houston, that left the three are dead, two of them brothers. rucks russell reports. >> the company says a valve failed on acontainer used to odorize gas. before the leak could be contained gilbert tisnado rushed in with a gas mask rushed in.

four members, including thenen.nennen tisnado,. >>ing robert tisnado is survived by a wife and three kids. quil berth leaves behind three children. an investigation into the cause of the valve failure is underway. >> we will continue to cooperate with all the local authorities and make sure we investigate this fully and we will find the cause, at this point we don't know why this happened. >> dupont said the leak never posed a risk to the community. reporting for cbs news, rucks russell, khou houston, text. >> a large front carrying snow and cold will not make the weather any more pleasant this

week. eric, what does this new line bring? >> this sounds familiar. arctic invasion. its source is siberia. crosses the pole and heads into canada. united states, as we kick off the week. the heart of it tuesday and wednesday, 20 to 40°, record lows have been threatened like we've seen over the week. looking at single digits, places like indy, des moines, subzero numbers and wednesday deeper down to the south low 20s into atlanta, subzero temperatures and more record lows certainly in the cards. also being ushered in by snow, northern kentucky, ohio and western new york. you notice the lake effect snow really kicking in, as that colder air moves in. not just the cold and snow, tornado watch for southern louisiana, into the gulf coast,

tomorrow, isolated tornadoes, damaging wind gusts are both possible here jeff. >> eric, any indication how long this cold lasts for? >> there are some signs now, looking out towards next week, it appears we'll get a little bit of a break and jeff just in time for thanksgiving holiday. >> thank you,. >> president obama, are is returning from the g-20 summit. major garrett has been traveling with the president. >> president obama cuddled with koalas. >> as our australian friends say this wasn't just a good old chin-wag. i really love that expression. it was a productive summit. >> and a fruitful swing through asia for a lame duck president

who arrived haunted by a election. >> he also secured billions in pledges to fight global warming and ebola. >> it's been a good week for american leadership. >> the president returns to washington prepared to act on immigration by side stepping congress to legalize millions of undocumented adults. he also faces the prospect of a mid december government shutdo shutdown. house speaker mitch mcconnell has ruled that out. john boehner has not. >> i take mitch mcconnell at his word, when he says the government is not going to shut down. there's no reason for it to shut down. >> are president obama had glancing conversations with russian president vladimir putin and much longer ones with

european leaders that will yield for now no new major rg sanctions. major garrett, brisbane, australia. >> mh 17 crashed in eastern ukraine, cleanup crews began recovering crash debris. fir images of the plane after it crashed. the video shot on july 17th shows neighbors reacting as flames burn and black smoke emerges just few hundred feet from a rural home. one person asks, where's the pilot? someone else wonders if emotional one plane crashed. his neighbors tell him no this is the only one. rocket hit the 777 oarch are eastern ukraine. the russian back separatists are responsible. we do have break news tonight.

federalling drug agents paid unexpected visits, cbs sports are reporting this afternoon, the inspections are part of an investigation into former players' claims that teams have mishandled is prescription drugs. other teams may still be inspected. rates are going up and so are penalties. jill schlesinger has more. and bill cosby's attorney responds to sexual assault allegation. when the cbs news are continues. if you have high blood sugar, ask your doctor about farxiga. it's a different kind of medicine that works by removing some sugar from your body. along with diet and exercise, farxiga helps lower blood sugar in adults with type 2 diabetes. with one pill a day, farxiga helps lower your a1c.

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it hurts. you doin'? this is what it can be like to have shingles, a painful, blistering rash. if you had chicken pox, the shingles virus is already inside you. 1 in 3 people will get shingles in their lifetime. i wish that there was something i could do to help. the shingles rash can last up to 30 days. talk to your doctor or pharmacist about your risk. ...and tkind of like you huffing sometimes, grandpa. well, when you have copd, it can be hard to breathe. it can be hard to get air out, which can make it hard to get air in. so i talked to my doctor. she said... doctor: symbicort could help you breathe better, starting within 5 minutes. symbicort doesn't replace a rescue inhaler for sudden symptoms. symbicort helps provide significant improvement of your lung function. symbicort is for copd, including chronic bronchitis

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healthcare.gov it may be easier than last year. last year i.t. was 76 screens. this year it's 16 screens. you should know open enrollment goes up until february 15th. but if you want coverage starting the first of the year, you got to sign up by december 15th. for folks already enrolled go to healthcare.gov. you have to fill in your income information, otherwise you may not get your tax drs. from last year. >> there were higher costs this year. >> across the country an increase of about 6%. but it varies widely from state to takto state. we saw in new hampshire it was down by 18%, in alaska up by 28%. costs are going to rise but it dpentsdz on when i states you're in and what plan you're in. this year is $knif $95 per pers.

2% per person whichever is higher. this is a penalty that you pay through your taxes. if you don't pay it, the governmental can actually garner any future tax refunds. so you really have to go in and check on this. do file the right tax forms. if you don't have insurance you're going to pay for it. >> jill schlesinger thank you very much. are there bill cosby's attorney answered questions that he sexually assaulted women in the past. says cosby does not intend to dignify this for any comments. says cosby does not intend to dignify this for any comments. up next, digging for dinosaurs in new jersey. lead to tooth decay and bad breath? well, there is biotene, specially formulated with moisturizers and lubricants...

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>> scientists have released autopsy results on a woolly mammoth uncovered last year in siberia, the female got trapped 92 peat bog. her remains were found remarkably intact not just bones, organs, even blood. another dig site, this one in new jersey, is also yielding exciting finds. the fossils of animals believed to be killed around the same time dinosaurs disappeared. as don dahler reports, uncovering this mystery has taken a cast of thousands. >> behind the strip mall in southern new jersey

paleontologists from drexel, new jersey is traveling 65 million years into the past. this quarry could be the most complete rg remains. let led by ken lacovara. , might have been the fossils of thousands of animals that died, at the time the meteor are hit and killed off 70% of life on earth. >> the only thing that makes the modern world as we know it is in a pit behind a shopping mall in new jersey. >> last summer lacovara made big news when he announced another discovery the largest dierch dir in the world. >> that's a toe? >> that's a toe. >> in the quarry the new jersey team has uncovered amazing

being, a seven foot long crocodile that once lived along the coast here but this site is l superb for another reason. for three years lacovara has invited the public to come dig for a day. 1300 people showed up this year. >> thanks for being here. >> the hope is these kids find more than fossils. lacovara wants them to discover a love for science. jordan lane came with her mother and brother. >> i'm going to be a paleontologist when i grow up. >> even with all their help they just descrached surface of what was found here. >> we could cover an acre in ten years and this is 65 years. we have 650 years worth of work to do. and that's no time at all. >> there will be future work for all these future

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debut on britain's x factor tonight. ♪ >> head lined by one direction, ed sherin, and the very best of british talent. and cold play's chris martin. the lyrics have been tweaked slightly to reflect the ebola crisis. stars packed in for one marathon session, until the song and video were done. this is the same studio, the same street where history was made 30 years ago. and much like a lot of performers inside that studio a lot of people in the crowd weren't even born. 1984 was all about big hair and heavy makeup. that was just the men! ♪ ♪ >> then plu sition bob geldof le --musician bob geldof led a

impassioned being and ebola, a disease that renders people untouchable. >> an african mom in agony staring at her child, child bewildered why her mom can't touch her. that disgusts me. that shouldn't happen. >> dropped u.s. concerts when geldof rang up. >> kind of direct, what has to be done and why money needs to be raised pnd that's great. totally ineffectively shus. >> one of the only superstars to make both versions is bono, minus the mullet. >> happy to be taking part, sad there's a need to again. >> we've been trying to make this kind of event a thing of

the past, you know. we want to make band-aid history. ♪ >> instead, band-aid's make history again and maybe a difference. but in the modern world of free music people are going to have to do something that's very 1984. actually, by the song. ♪ ♪ >> charlie d'agata, cbs news, london. >> that is cbs evening news tonight. later on cbs 60 minutes, first of all cbs this morning. and don't forget our digital network, cbsn, i'm jeff glor, scott pelley will be here tomorrow. good night. captioning sponsored by cbs captioned by media access group at wgbh access.wgbh.org

>> gloats i'm natasha brown, next on "eyewitness news" a cloudy and cold day makes way for a rainy night and a messy morning commute. justin. >> that's right, natasha, our next storm system is approaching the delaware valley. get ready for a rainy monday. i'll have the details in the eyewitness news weather forecast. >> plus, take two. crews remove a fixture of the philadelphia skyline on their second attempt. why the pnb letters came down. "eyewitness news" is n

>> ♪ >> from the cbs broadcast center in philadelphia, this is cbs3 "eyewitness news". >> a cold and cloudy day is about to turn into a rainy night. we start tonight with our eye on the storm. right now a live look at storm scan3 shows a large system that is heading our way. it's expected to bring most of