but, scott, the white house says the six countries in the order are either state sponsors of terrorism or have lost control to terrorist groups like isis or al qaeda. >> jan crawford, thanks. in his address last tuesday, president trump said the vast majority of individuals convicted of terrorism and terrorism-related offenses since 9/11 came here from outside of our country, and the attorney general repeated that today. but it turns out the facts tell a different story. a study by fordham university school of law says 78% of isis-related prosecutions in the u.s. involve american citizens,

and 53% of al qaeda related cases involve people born in the u.s. tonight, the battle to liberate iraq's second largest city from isis has reached a critical stage. iraqi troops, backed by u.s. air strikes and american special operations forces, are moving into the western part of mosul. holly williams is there. >> reporter: isis is cornered, pounded by iraqi mortars. and the brigadier general can smell victory. he estimates there are only around 2,000 isis fighters left. >> they don't have a chance. >> reporter: they don't have a chance? >> no. >> it has taken four months of bloody fighting to get here. 350 yards from an isis position where extremists were burning tires today to try to hide their

location. the u.s. military is also now inside mosul. this camera shy marine special operations team was 600 yards from the front line. with their backs to the wall, isis militants were sniping at iraqi soldiers. and deploying their favorite weapon, suicide car bombs laden with explosives and shielded with homemade armour. the general's men stopped this car bomber three days ago with a rocket-propelled grenade. his blackened corps is still sprawed in the dirt. how many people can you kill with one of these suicide car bombs. >> if they are outside, in an open area, it will kill more than ten, 50 injured. >> reporter: six days ago, the fighting was in this street where this 12-year-old boy and sister live with their parents. >> we couldn't even come to the door, she told us. we all hid in one corner.

children who don't flinch at the sound of gunfire in a city smashed beyond recognition. it's the price they're paying here in iraq to defeat isis. holly williams, cbs news, mosul. as he left office, president obama warned president trump that the most immediate foreign threat is nuclear-armed north korea. today the north launched several missiles in what it called a simulation of an attack on u.s. military bases in japan. david martin is at the pentagon. >> reporter: at first u.s. satellites detected only one launch. later analysts concluded north korea had actually fired five medium range missiles simultaneously. one failed in the first minute, the other four flew to their maximum range of 600 miles, landing about 200 miles off the coast of japan. these were not nuclear capable missiles and not very accurate. but they were relatively small and mobile.

and caught u.s. intelligence by surprise. and they were fired in a barrage intended to overwhelm a missile defense system. it's not the first time. last september north korea launched three missiles in rapid succession and released a video to prove it. this latest test occurred just as the u.s. and south korea were beginning two months of annual military exercises. north korea always reacts angrily and u.s. officials expect to see more missile launches in response. over the past three years, the u.s. has used cyber attacks and electronic warfare in an attempt to disrupt north korean missile tests. but officials said they had only limited success in part because north korea's use of mobile missiles has increased their ability to conduct tests with little or no warning. north korea has always been considered a rogue nation but a pentagon official told cbs news, quote, there is definitely a

sense that its current leader kim jong-un, rises to a new level of irrationality and unpredictability. and that has caused great concern. scott? >> david martin at the pentagon. >coming up next, the philadelphia soda tax. sales fizzle and so do jobs. later, scientists on the trail sales fizzle and so do jobs. later, scientists on the trail of the killer whale. sales fizzle and so do jobs. later, scien♪ists on the trail of the killer whale. [joy bauer] two thirds of americans have digestive issues. i'm joy bauer, and as a nutritionist i know probiotics can often help. but many probiotics do not survive your stomach's harsh environment. digestive advantage is different. its natural protein shell is tougher than your stomach's harsh environment, so it surivies a hundred times better than the leading probiotic, to get where you need it most. get the digestive advantage, and enjoy living well. is thno, it's, uh, breyers gelato indulgences. you really wouldn't like it. it's got caramel and crunchy stuff.

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it's been just over two months since philadelphia became the first major american city to impose a tax on sweetened drinks. it's supposed to fund education, but the industry says it's costing jobs. here's demarco morgan. >> reporter: at this philadelphia area canada dry distribution center, the fallout over the city's so-called soda tax is starting to fizzle up. >> we now have over a million cases in our warehouse. >> reporter: bob brockway is the president. >> we have had to lay off about 30 positions simply because business is down as much as it is for the city of philadelphia. >> reporter: brockway claims soda sales have fallen 45% since the tax was imposed. pepsico plans to lay off at least 80 workers. philadelphia's 1.5 cent per ounce sugar distribution tax is one of the highest in the country. a typical 12 pack of 12-ounce cans before the tax was $5.58 is now $7.74.

a 20 ounce soda is now up 30 cents to $2.18. brockway says if the tax goes away, the jobs will come back. is it a political game? >> we are certainly not using this as a game or a fearmongering tactic. this is reality. >> this is the beginning of the process. >> reporter: but philadelphia mayor jim kenney says politics are at play. >> talk about using their employees as pawns. i always thought they sunk to a low, but this is a new low. >> reporter: kenney says the city has taken in nearly $6 million from the tax to help pay for expanded pre-k programs and hire around 250 people. >> especially kids living in struggling neighborhoods, they need this help, they need this connection and we're not going to let them down. >> reporter: philadelphia's one of several cities to pass a sugar tax recently. scott, chicago will become the largest city to do so come july 1st. and the beverage industry is warning of job losses there, as well. >> demarco morgan, thanks.

up next, a sharp reaction to ben carson's remarks about slavery.

today in a speech, ben carson, the new secretary of housing and urban development, described slaves as immigrants who came with dreams that one day their descendants "might pursue prosperity and happiness in this land." the naacp tweeted a one-word question -- "immigrants?" the defense department is investigating reports that nude photographs of female marines, some taken without their knowledge, were shared on a secret facebook page. the page called "marines united" had nearly 30,000 followers before it was taken down. coming up next, a breathalyzer test for killer whales. ,,,,

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we end tonight with a house call on one of the ocean's most mark phillips sailed to the bottom of the world for our "climate diaries." >> reporter: a pod of killer whales is spotted crossing a stretch of open water. researchers jump into small boats to chase them, just like

in the old days. this hunt, though, isn't about killing whales. it's about trying to save them. >> one of the reasons we study top predators is to understand the health of the ecosystem that supports them. >> reporter: an ecosystem that is changing. john durban and holly fearnbach, modern whale hunters, using modern gear, a camera mounted on a drone to give the whales a health check-up. and finding some are in trouble. >> she's very, very thin. you can see her ribs really clearly. she's lost all of the fat along her entire body. >> you're looking at a dying whale. >> yes, you're looking at a dying whale. and she has a dependent offspring. once the female dies, she will lose her calf. >> reporter: it's too early to know why it's happening, but the prime suspect, antarctica is warming up. >> there's a problem with the food supply and fewer seals. >> less ice, fewer seals, is that a leap?

>> it's certainly a hypothesis. >> reporter: holly and john have had to cobble this process together. she works for a marine animal welfare organization called sr3. he works for noaa fisheries department. they get transportation in antarctica the with lindblad national geographic expeditions. >> this is the seventh year in a row we've conducted research on board this ship. >> reporter: and it's the long term commitment that's important. >> we're studying animals that live as long as we do. to understand them and get enough opportunities with them, it takes multiple years. >> reporter: right now, though, even the short-term commitment is in doubt. mark phillips, cbs news, antarctica. >> and that's if "overnight news" for this tuesday. for some of you, the news continues. for others, check back with us a little bit later for the morning news and be sure not to miss "cbs this morning." from the broadcast center in new york city, i'm scott pelley. -- captions by vitac -- www.vitac.com

this is the "cbs overnight news." >> welcome to the "overnight news." i'm don dahler. the w h unveiled president trump's latest executive order designed to limit some foreign facials from entering the united states. the new travel ban is similar to the one struck down in federal court. one difference -- iraq is not on the list of countries. and this time the president left it to his aides to explain the details. jan crawford reports. >> this revised order will bolster the security of the united states and her allies. >> reporter: secretary of state rex tillerson called the ban vital to strengthening america's security. >> to our allies and partners around the world, please understand, this order is part of our ongoing efforts to eliminate vulnerabilities that

radical islamist terrorists will exploit for destructive ends. >> reporter: the new order represents a sharp contrast from the president's first effort both in substance and its rollout. signed in january in front of cameras to take effect immediately, it caused chaos in airports and concerns about civil liberties. federal courts quickly blocked it. for today's signing, the white house only released an official photograph while tillerson, attorney general jeff sessions, and head of homeland security john kelly laid out the rationale for the new order, which will take effect in ten days. >> there should be no surprises in the media or on capitol hill. >> reporter: the order temporarily bars new visas from six countries for 90 days while the administration reviews vetting procedures. it does not include iraq. unlike the first order, which

the court said raised constitutional red flags, it does not apply to lawful permanent residents or people from those countries who currently hold valid visas. it also suspends for 120 days the nation's refugee program, not indefinitely as the original order did for syrian refugees. and it does not include the provision that would have prioritized christian immigrants from affected countries. but critics say it still amounts to a muslim ban and they will challenge it in court. critics also say it doesn't target countries like saudi arabia, which was home to most of the 9/11 hijackers. but, scott, the white house says the six countries in the order are either state sponsors of terrorism or have lost control to terrorist groups like isis or al qaeda. president trump is finding little support in washington for his contention that former president barack obama ordered illegal wiretaps on the trump campaign. the fbi director and the former head of national intelligence both say it never happened. and mr. trump and his aides have offered no proof. still, the white house is

demanding a congressional investigation, and with republicans running the congress, they just might get one. margaret brennan reports. >> i have recused myself. >> reporter: it began with attorney general jeff sessions' decision thursday to recuse himself from any investigation of russian meddling during the campaign after revelations he spoke twice with russia's ambassador to the u.s. last year. >> mr. president, do you still have confidence in your attorney general? >> total. >> reporter: mr. trump strongly disagreed with the attorney general's decision. that same day, conservative radio host mark levin accused the obama administration of using what he called "police state tactics." >> the incredible scandal is the obama administration was investigating top officials in the trump campaign, maybe even trump himself, during the course of the election. >> reporter: breitbart, formally run by stephen bannon, also published those claims on friday. then early saturday morning president trump posted four

tweets. "terrible. just found out that obama had my wires tapped in trump tower just before the victory." a spokesman for president obama called the accusation false and said, "neither president obama nor any white house official ever ordered surveillance on any u.s. citizen." director of national rmer - intelligence told nbc that no such warrant existed. >> i can deny it. >> reporter: yesterday the white house in a statement called for congress to investigate. today adviser kellyanne conway said the president was basing his statement on a variety of sources. >> and the president, based on his information and belief has said that he was surveilled. we appreciate the fact that the intelligence committee in the combine their investigations or expand them to include this. >> reporter: the white house refused to say whether the president privately consulted advisers or president obama about these serious allegations before publicly posting them on his twitter feed.

spring break is fast approaching, and millions of young americans will be on the move. many of them by plane. the tsa expects to screen 62 millionaire travelers this month alone. to help speed things up, the tsa is considering new high speck scanners for carey-on luggage. kris van cleave has this story. >> reporter: you called this game changing. why? >> because there's nothing else like it at a security checkpoint right now. >> reporter: here's why. can you spot the knife hidden in this bag? this is the view a screener would have on machines like the one in use tad. >> that's why asks you to remove your laptop. >> reporter: suddenly that knife is hard to miss. >> so this gives you more

contrast. >> reporter: mark is vice president at analogic. the c.t. machine to people means radiation. and i don't want to get radiated on the way to my flight. >> so these produce the same amount of radiation as the system that's at the checkpoint now. >> reporter: the machines can detect explosives in laptops, liquids and gels, which means the days of having to take things out of your carry-on bag could be numbered. that looks empty. >> yeah. >> reporter: the clear picture of what's inside should reduce the need for secondary bag checks. and when paired with new automated lanes being tested at airports, analogic believes it should increase proficiency by 50%. >> this is going to be a much faster process for passengers and make travel fun again. >> reporter: you might be the

only person in america that describes the security screening process as making travel fun. >> sit a major stress point for passengers today. >> reporter: passenger patience wore thin last year as wait times stretched for hours. safety has also been a concern. a 2015 internal review revealed tsa officers failed to detect 95% of fake explosives and weapons smuggled through checkpoints by undercover investigators. >> it's going to be tremendously better. >> reporter: acting chief technology officer at tsa says the technology has promise, but more testing is needed before it can be rolled out. >> it may look good. just we'll say specific portions of it. but these technologies have to meet not just the technical requirement, but safety requirements, ergonomics, things like that. >> reporter: checked backs go through a much larger c.t. scan, but the technology has to get lighter and quieter to work in a

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the senate appropriations committee opens hearings tomorrow on ways to rebuild the nation's transportation system. president trump wants to spend $1 trillion upgrading america's highways, brings, and airports. but as kris van cleave reports, the plan may prove more difficult than simply writing a check. >> the time has come for a new program of national rebuilding. [ applause ] >> reporter: in his speech to a joint session of congress this past week, president donald trump made clear he intends to make good on one of his signature campaign promises. >> our roads, our bridges, our tunnels, our highways, our airports, schools, hospitals, we'll rebuild everything. >> reporter: rebuilding the nation's infrastructure was a

key element of mr. trump's plan to make america great again. and anxious experts who have been watching it crumble for years are hopeful this time the issue might finally get the attention it deserves. >> i think we're in a mass collective state of denial how important these systems are, what it takes to keep them up to stuff. >> reporter: casey is with the american society of civil engineers. later this week, they will release their infrastructure report card. last time, they gave the nation a d plus. >> road conditions cause the average american to spend another $500 a year on car repairs. by the year 2020, if we don't make proper investments, personal family income will fall by $3,000. >> and so boulder dam stands day. >> reporter: the united states used to have the best infrastructure in the world.

but those days are long gone. >> if these investments aren't made, doesn't the risk of failure of these types of aging infrastructure go up? >> it will be a more dangerous infrastructure that we're relying on. so we're certainly putting ourself at greater risk from a safety perspective, absolutely. >> reporter: virtually everyone agrees we need to fix the aging infrastructure, but there's a fierce debate under way how to pay for it. by raising taxes, turning to private investment, or simply borrowing more money. >> there's no danger that we're going to spend too much. >> reporter: larry summers served as treasury secretary under bill clinton and economic advise tore president obama. he's one of a growing number of economists who say the number to pay for an increase in infrastructure spending should be borrowed. >> a moment of unprecedented low interest rates should be a moment of unprecedented high investment and it's a tragic irony that it's low investment. >> reporter: why is that?

why aren't cities, states and the government going, we should act now? >> some of it is general distrust of government. some of it is frustration with the difficulties in getting infrastructure projects done quickly. some of it is just a generalized gridlock that seems to infect our politics. >> help us rebuild america. help us put construction workers back to work. >> reporter: republicans in congress consistently opposed increasing infrastructure spending under president obama. after years of tea party protests, few seem eager to take on more debt to do so now. tuesday night, the president hinted his plan will not ask taxpayers to foot the entire bill. >> i will be asking congress to approve legislation that produces a $1 trillion investment in infrastructure of the united states, financed through both public and private capital, creating millions of

new jobs. [ applause ] >> reporter: the white house is yet to release an infrastructure plan. but last fall, mr. trump's campaign suggested offering billions in tax credits to private investors willing to finance public infrastructure projects. known as public/private partnerships, they are essentially business deals. the project has to generate revenue for the private investors. >> there are literally trillions of dollars available around the globe for infrastructure projects. >> reporter: doug peterson co-chairs the task force for the bipartisan policy center. are there projects to lend itself to this? >> toll roads might be an example that a company might purchase and run a transportation system of roads, getting paid through the tolls. >> reporter: like the tolls collected on these express lanes outside washington, d.c. when virginia wanted to build them, it was private investors who helped pick up the tab. >> this project wouldn't have

gotten down without a public/private fund. >> there was no money for this project. >> if i took him and blind folded him and took him to laguardia in new york, you would think i'm in some third world country. >> reporter: the $4 billion makeover at new york's laguardia airport is a public/private partnership. but privatizing infrastructure can be expensive. sometimes very expensive. in southern virginia, the tolls to cross this privately financed tunnel started small, but have risen to as much as $11, forcing virginia taxpayers to subsidize some low income drivers. this toll road in denver didn't cost taxpayers a dime, but cost drivers as much as $18 one way. in chicago, the cost of parking has more than doubled since the city leased to private investors in 2008.

before the 75-year lease is up, the deal will cost the city's furious residents millions. and how do we attract investors to infrastructure projects unlikely to make a profit? we probably won't. >> every day i say a little prayer before i come in this building actually. >> reporter: jim boganry runs the water treatment plant in breckenridge, minnesota. the city of 3300 is proud of its safe, clean water. but the plant is long past its prime. >> this one is the one that worries me the most. see what i'm talking about, the rust? ooh. >> reporter: some pipes still in rust date back to the 1930s. a public works package that included money to replace the plant was defeated in the legislature last year. >> if this were to fail, blow a hole, he would not have any water at all. it literally scares me. i think i'm going to church right now, i think. >> reporter: here's the irony.

even though politicians can't agree, infrastructure spending is popular. a recent poll found 89% favored increasing federal infrastructure spending. many experts believe the best way to fund transportation infrastructure would be to boost the federal gasoline tax. it hasn't been raised since 1993. >> we did not have enough funding to maintain the roads and the brinl bridges that we currently have. >> reporter: the governor of georgia was determined to do something about gridlock in atlanta. in 2015, in a move that angered anti-tax conservatives, deal and his fellow republicans in the state legislature agreed on a ten-year, $10 billion transportation bill raising the gas tax by six cents a gallon for the average driver. 19 states and the district of columbia have increased their gas tax since 2013. is it a situation where people

are willing to pay for things like roads and it's the politics that sometimes gets in the way of that? >> i think that's always a factor. i think we sometimes underestimate the enthusiasm that our public has for making sure that they don't have to sit in traffic. i think that's the frustration that many taxpayers and drivers have across the country, they don't see anybody doing anything except talking about something. i thought it was time we did something about it. >> reporter: no matter how it's paid for, raising taxes, private investment, or borrowing, most agree the time to act is now. if not, the nation's crumbling infrastructure is likely something we all will be dealing with for a very, very long time. i had frequent heartburn, but my doctor recommended...

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in the world of fashion, styles come, styles go, and sometimes if you wait long enough, they come back again. take for instance, the beret. it's always been a fashion staple in france, but after falling out of favor, it's having a resurgence here in the u.s., as well.

david turracamo reports. >> reporter: in the south of france is a small museum dedicated to a hat, the beret. you know that french hat you always see artists and, well, french people in general wearing. the french beret rim naoriginat about 400 years ago. yet, it's never gone out of style. it's the must have accessory of this season. according to lord and taylor's fashion director stephanie solomon. >> it is the biggest trend we've seen in a long time in terms of accessories. >> reporter: 100 years ago, they were made on machines like this. today, the machines are faster, but almost as antiquated. in fact, this one is almost 50 years old. >> prior to that, our factory had machines like this, exactly the same. >> reporter: mark sanders is the sales and marketing director for

lolair, the oldest traditional beret manufacturer in the world. they're the last manufacturer in france to make berets the way they do. >> in our heyday, the factory worked 24 hours a day, 7 days a week. >> reporter: marcus is part of the new management team that took over four years ago after the former owners filed for bankruptcy. but the employees fought to keep the plant alive. >> they spent their own money. they went and bought wool and brought it back in their own cars and started making berets. fit important to them to not let the machines stop. ro >> reporter: the real work is done by hand. [ speaking foreign language ] and though they'll produce about a quarter of a million berets in a year, it's a two-day process just to finish one. marino wool is knitted to

produce this. then it goes through felting, that makes the wool soft and thick. >> wool is a living material. we could put 400 berets in the machine at a time. but the time it takes to achieve the felting will be changed from batch-to-batch. so it has to be checked. >> reporter: it's then dyed, stretched, and steamed to give it color, size, and form. now, you see this machine? the drum is covered with abrasive metal brushes. >> this machine will scratch the wool to make the fibers stand up. >> reporter: then they're sheered on this machine to make it smooth. >> it hurts our employees to know that the french berets are made in china and sold in paris. ♪ >> reporter: alive and just as

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president george bush is back in the spotlight. turns out he took up painting after his left office. he's collected a bunch of his water colors into a book called "portraits of courage. "mr. bush is now president bush has been busy lately, bouncing his way through a publicity tour for his new book. >> you're closer to her than barack. >> uhh -- [ laughter ] let's put it this way, he's never given me a hug that way.

>> reporter: but questions about the current administration are hard to avoid for a former president. >> i love humor. and the best humor is when you make fun of yourself. >> well, tell that to the president. >> reporter: especially in today's polarized political climate. >> i'm not a politician. i don't think it serves the nation or the office of president to have a former president criticize his successors. >> thank you, mr. president. thank you. >> reporter: only days earlier on national tv, bush 43 advocated for the necessity of a free and independent press. >> it's important for the media to call to account people who abuse their power. >> reporter: a statement some construed as a dig at president trump. >> i'm asked the question, do i believe in free press? and the answer is absolutely. so i answered that question, and the headlines were bush criticized trump. >> reporter: in the latest issue of "people" magazine, the 70-year-old former character

adding i don't like the racism and i don't like the name calling and i don't like the people feeling alienated. but for the former president who stayed clear of politics for the better part of a decade, he offered this warning to the nation. >> there's an isolationist tendency in our country. i would argue that's dangerous to our national security, and doesn't befit the character of the country. >> reporter: in the book president bush has been promoting is a collection of his oil paintings which honor military proceedings. all the proceedings will be used to help veterans. >> the paintings and stories in the book are getting positive reviews. that's the "overnight news" for this tuesday. for some of you the news continues. for others check back later for the morning news and of course, "cbs this morning." from the broadcast center in new york city, i'm don dahler.

-- captions by vitac -- www.vitac.com ♪ it's tuesday, march 7th, 2017, this is the "cbs morning news." avenue president trump vowed to repeal and replace obamacare, we're getting our first look at the republican replacement. what stays and what goes from the affordable care act. and who stays and who goes. the president signs the travel ban with changes in store for syrians and iraqis. a show of strength for the u.s. after north korea successfully launched