this is the "cbs morning news." face-off in florida. hillary clinton and bernie sanders duel over immigration in their last debate before next week's primary. while the republicans make their closing argument to the sunshine state voters tonight. breaking overnight. at least five people are dead when gunmen shoot their way into a backyard party. and boom box brawl. a passenger's blaring music touches off a fight on board a cross-country flight. good morning from the studio 57 newsroom at cbs news headquarters here in new york. good to be with you. i'm anne-marie green. both republican and democratic prsidential campaigns have their sights set on next tuesday's primaries. voters in five delegate rich states, ohio, illinois, missouri, north carolina, and florida, they all vote at the polls. last night, democrats hillary

their case to florida voters. a new poll shows clinton with a healthy lead over sanders who is coming off a startling win in michigan. marlie hall has our report from miami. >> reporter: last night's debate was contentious at times, especially when the two democratic candidates sparred over one of the biggest issues of the night, immigration. the first tense exchange of the night wasn't between candidates, but between the moderator ramos and hillary clinton. he asked her about the e-mail server she used while >> if you get indicted, will >> for goodness -- it is not going to happen. i'm not even answering that question. >> reporter: immigration was a central topic of the debate. both candidates promised not to deport undocumented children and to support swift action on reform. >> if the congress does not do its job, as president of the united states, i will use the executive powers of that office

>> i am committed to introducing comprehensive immigration reform with a path to citizenship in the first 100 days of my presidency. >> reporter: clinton and sanders will face off again on tuesday here in florida, when voters here and in four other states will vote in primary elections. sanders and clinton offered differing views of this week's michigan primary. >> it was a very close race. we had some of those. i've won some and i've lost some. >> we have won, including michigan, last night, which some people considered one of the major political upsets in modern american history. >> is donald trump a racist? >> reporter: both candidates declined a chance to call republican front-runner donald trump a racist, but says they disagree with his views on mexican immigrants and his call for a wall along the mexican border. there will be another presidential debate tonight. this time, with the republican candidates. marlie hall, cbs news, miami.

calls next tuesday's vote in his home state critical to his campaign. but a just released poll shows rubio trailing donald trump by a substantial margin. during a town hall meeting yesterday, rubio said his florida and its 99 winner take all delegates. >> you can win more delegates in florida than you can across five or seven states in a process, so it was always a priority. even if hi done well in all of not done well in florida it would be trouble for your campaign. we need to win here and that is priority and focused on it like a laser and we are going to win. we feel really good about it. >> meanwhile, ted cruz picked up the endorsement of carly fiorina on sunday. a trump rally was interrupted more than a dozen times by protesters. coming up on "cbs this morning," we will take a closer look at the often contentious atmosphere at donald trump's events. at least five people were killed when gunmen opened fire

suburban pittsburgh. police say the gunmen barged into the party last night and began shooting. four of the victims were found dead on the house porch. three people are hospitalized, two of them in critical condition. police are searching for at least two gunmen who ran away. the motive for the shooting is not known. more severe weather, including heavy rain and strong wind, is expected today across the south and into the midwest. flash flood warnings are posted from texas up to illinois. parts of texas and louisiana got nearly a foot of rain. at least three people drowned in high water in northwest residents were forced from their homes by floodwaters. some as torrential rain drenched the area. >> really, this was an event that kind of sneaks up on you as came down at one time. it's one of those you're really really become reactive to it.

evacuated. this country's new strategy of going after isis militants on the ground appears to have paid off. as david martin reports, american forces captured a top isis leader whose specialty is chemical weapons. >> reporter: this video appears to show the aftermath of an isis chemical weapons attack using a mustard agent in syria last year. a recent operation mounted by delta force commandos inside iraq, may have disrupted future chemical attacks by isis. in a raid last month, delta captured an isis chemical weapons expert. a iraqi who once worked for the regime of saddam hussein. after interrogating him, the u.s. intelligence were able to identify a building in mosul where mustard agent was manufactured and loaded into artillery shells. british defense military, shows a building being destroyed by an air strike this past weekend.

attacks in iraq and syria. a fact confirmed by cia director john brennan in a "60 minutes" interview. >> reporter: isis has access to chemical artillery shells? >> there are reports that isis has access to chemical precursors am nirks that precursors ammunitions that they can use. >> reporter: now appears to be a major intelligence gold mine. names, addresses and phone numbers of some 20,000 isis fighters from countries across the middle east, africa, europe, and north america reportedly given to london sky news by a disgruntled member of isis. cbs news consultant richard walton, former head of counterterrorism for scotland yards, says if the documents are authentic, this could be one of the most significant intelligence finds since isis was created. david martin, cbs news, the pentagon. a man tied to the shooting of an idaho pastor apparently believes martians control the earth.

after allegedly throwing things over the white house fence. he was wanted in the shooting of pastor tim remington. odom wrote a manifesto contending that remington was a member of a martian species that had taken over the earth, members of congress and the israeli government were also named. a knife reportedly found on o.j. simpson's former estate in los angeles apparently is not connected to the murder of his ex-wife and her friend. the weapon used to kill nicole brown simpson and ronald goldman has never been found. the knife is used by gardeners and is apparently too small to be the murder weapon but it will take weeks before conclusive tests are complete. funeral services for former first lady nancy reagan will be held tomorrow at the reagan presidential library in california. a motorcade took her casket there yesterday after a private ceremony. speaker of the house paul ryan paid his respects. then the public was let in.

the pacific ocean. president obama will host canadian prime minister justin trudeau at a state dinner tonight. it is the first state dinner for a canadian leader in 19 years. some 200 guests are expected in the east room and the main course is herb crusted colorado lamb. the white house chef will also offer her take on the canadian dish of french fries with cheese curds and gravy! coming up on the "morning crash cam. we will show you what happened inside a bus, hit by a self-driving google car last month. later, shocking testimony at the hulk hogan sex tape trial.

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no one was hurt. google says it has tweaked the software since the crash. disturbing testimony in hulk hogan's lawsuit. a huge blast in a seattle neighborhood. those are some of the headlines on the morning newsstand. "the seattle times" reports the aftermath of a natural gas explosion that leveled two buildings in the city's greenwood neighborhood. three businesses were destroyed early yesterday and three dozen more were damaged. nine firefighters were injured. investigators say the blast was caused by a gas leak from outside the destroyed businesses. charged against school police officers after a videotaped incident. [ bleep ] [ bleep ]. >> both officers seen in the tape are charged with assault and misconduct misdemeanors. the officer confronting the abuse felony and they and the school police chief are all

"the new york times" reports a stunning deposition in hulk hogan's case against gawker. the website's former editor was asked last year when he would rule out releasing a celebrity sex tape. [ inaudible ]. >> four. >> he later said he was being sarcastic. the wrestler wants a hundred million dollars because gawker showed video of him having sex with a friend's wife. "the washington post" is reporting the failure of the nation's first uterus transplant. surgeons in cleveland removed the organ after the woman experienced a complication tuesday. it was implanted last month. the st. louis post dispatch reports the end of a 37-hour debate in the missouri senate. democrats tried to block a measure that would give religious protections to those objecting to same-sex marriages. the republican majority ended

amendment. "rolling stone" magazine reports dr. luke's lawyer denying that sony has fired the record producer. sony and dr. luke have been under pressure since kesha accused him of drugging and sexually assaulting her. sony is not commenting. coming up, trade joe's recall. we will tell you why it's pistachios triggered an alert. and, later, a dos equis character says a final farewell. lear skin. 8 out of 10 people saw 75% skin clearance at 3 months. while the majority saw 90% clearance. do not use if you are allergic to cosentyx. before starting, you should be

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here's a look at today's forecast in some cities around the country. a solid night for donald trump who skipped the political talk during his victory speech and, instead, took the opportunity to promote some of his trump-brand products. >> trump steaks. do we have steaks? we have trump steaks. by the way, the winery. you see the wine. we are very proud. we have the finest wine than world. than being worse than trump 2016 is a bottle of 2016 trump! on the cbs "moneywatch,"

and a grocery chain issues a nut recall. jill wagner is at the new york stock exchange with that and more. good morning, jill. >> reporter: good morning. there is a pistachio recall at trader joe's because of possible salmonella contamination. they have the best of use by date of october 27th, 2016 through november 4th, 2016. trader joe's will issue a refund and no illnesses have been reported. on wall street stocks finished modestly higher. natural gas prices. dow gained 36 points and s&p climbed 10 and nasdaq finished 25 points higher. the head of volkswagen u.s. the investigation of an emissions cheating scandal. michael horn had been head of volkswagen in the u.s. since 2014. nearly six months ago, volkswagen admitted it installed an emission cheating software to

the software let the cars and trucks emit up to 40 times the allowable pollution. the clear website glass store is out with its list of the highest paying jobs in america. may not surprise you. physicians top the list with a median based salary of 180,000 a year. doctors were followed by lawyers and people who work in research and development. the common thread? the high level of skill and education required and protection from the threat of automation. you'll soon be saying adios to the most interesting man in the world. 77-year-old actor jonathan goldsmith plays the smooth gentleman in the popular ad campaign for dos equis beer. the business has nearly tripled since the ads started to run about nine years ago. he is being phased out the next few months. in the last ad, he blasts off on a rocket bound for mars. meaning there is going to be a new most interesting man in the world. i wonder who it's going to be. >> i know.

i know jonathan goldsmith is a regular actor and had a long career acting, but i think no always going to see him as the most interesting man in the world. >> and it's a great way to be known, right? >> yeah. it's not bad. not a bad -- high. >> that's very true. jill wagner at the new york jill. still ahead, in flight mayhem. a fight breaks out between a group of women passengers. we will tell you why music made later, a convicted felon is ready to launch his modeling career after being released from

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when the here's a look at today's forecast in some cities around the country.

>> blaring a boom box was a romantic gesture for john cusack's character in the movie "say anything," but some people on a spirit airlines jet did not feel the love when their fellow passengers did the same thing during the flight. it prompted this brawl when the flight from baltimore landed in los angeles yesterday. witnesses say five women were involved in the fight. things calmed down when the police were called, though. the fbi also investigated the incident but no one was charged. a florida mom who pushed for gun freedoms is hospitalized after being shot in the back by her 4-year-old son. the woman was wounded with a .45 caliber handgun on tuesday while driving in jacksonville with her boy in a pickup truck. police say it was an accident, but they have other questions. >> the firearm, was it legally owned and legally stored inside the vehicle?

>> facebook pages which may along to the victim, may support gun rights. jeremy meeks broke hearts from behind bars when his california mug shot went viral last year. he was released from prison after serving more than a year on weapons charges. meeks has signed with a talent agency. google put its deep mind team to the test against one of the brightest minds in the world and won. google's computer program alpha go defeated its human opponent, south korea's best go player. go, an ancient chinese board game, is said to be one of the creative and complex games ever devised. coming up after your local news on "cbs this morning," late show host stephen colbert. i'm anne-marie green. this is the "cbs morning news." ly outing is magical for all the wrong reasons. you may be muddling

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good thursday morning it's march tenth.

we have traffic and weather and a look at the roads. >> let's check in with her right now. >> as we're looking at the satellite here, it's a little warmer as compared to yesterday. mild and muggy, 70s down through the keys. whipping winds will continue today and peak winds as high as 30 miles-per-hour and we'll continue with that high risk of rip currents, so not safe for swimming, so spring breakers beware. maybe a stray shower this evening and we'll look at the weekend in just a bit.