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hello and thanks for watching. i'm carissa lawson in new york. here are some of the stories we're tracking on "cbs news roundup." israel and hezbollah conduct heavy strikes on one another as fears grow that the middle east could descend into an all-out war. following last week's democratic national convention the harris-walz campaign says it is breaking fund-raising records. and we'll tell you what to expect ahead of a busy holiday weekend for travelers. well, israel and hezbollah are calling their operations over the weekend a success after exchanging their heaviest strikes across the lebanon-israel border since the war in gaza began. israel struck first, saying it was preventing a major attack from hezbollah, which said it was seeking revenge for the assassination of one of its top leaders. cbs's imtiaz tyab is in tel aviv

with more. >> reporter: this is what israeltion military has called a pre-emptive strike. dozens of israeli fighter jets targeted what an army spokesman described as thousands of hezbollah rocket launcher barrels in more than 40 sites. killing at least six of the iran-backed group's fighters. just hours later israel's sophisticated missile defense system intercepted over 300 rockets and drones launched by hezbollah into israeli territory. but one of its naval vessels in the eastern mediterranean suffered damage. killing an israeli soldier and wounding two others in apparent shrapnel injured. in a televised address hassan nasrallah, the leader of hezbollah, said the attack was in response to israel's assassination of a top commander, fuad shukr, in late july and that the reason the strike was delayed for weeks was in part because of the mass mobilization of israeli and u.s. forces in the region.

while prime minister benjamin netanyahu praised israel's military for successfully intercepting the attack, he also warned it wasn't what he called the final word. ken gatas is a contributing writer at "the atlantic" and author of "black wave." >> it's going to take a lot of effort to try to make sure it doesn't turn into an all-out war because if it does it doesn't stay contained to just lebanon and israel. it will bring in shia militias in -- that are backed by iran in syria, in iraq. it could drag in iran itself and the united states, which is something that i think everybody wants to avoid. >> reporter: imtiaz tyab, cbs news, tel aviv. now that vice president kamala harris and tim walz are officially the democratic ticket after last week's convention, they're looking to keep that enthusiasm going as foreign policy becomes a focus on the campaign trail. cbs's skyler henry has more from the white house.

>> reporter: the harris-walz ticket is riding a wave of momentum following the democratic national convention. the campaign saying it's broken fund-raising records. $540 million raised in the month since it launched. democrats say it's adding a jolt in congressional races. >> i mean, coming out of the dnc and for the last now month plus, we have just seen such energy, such enthusiasm, such true joy and optimism. >> reporter: despite the energy, now a call for detail on foreign policy. >> i hope very much that the conclusion that will be reached is that netanyahu and his right-wing extremist government, which has received tens of billions of dollars of aid from the u.s., should not continue to receive that aid unless there is a radical change in their policies. >> reporter: former president donald trump today sharpening attacks over democratic policy in the middle east. recent polls show a tight race, especially in the seven battleground states. the trump-vance ticket plans on

blitzing the states this week as their campaign searches for the right tone. >> i'm going to say things from time to time that people disagree with. i'm a real person. i'm going to make jokes. i'm going to say things sarcastically. and i think that what's important is that we focus on the policy. >> reporter: this week trump heads back to michigan twice while also making a stop in pennsylvania on friday. harris is planning on another bus tour, this time across the state of georgia. skyler henry, cbs news, the white house. german police say a man has turned himself in claiming responsibility for the stabbing rampage during a celebration on friday that left three people dead and eight wounded. federal prosecutors say the suspect, a 26-year-old syrian man, shared the ideology of the radical islamic state. he's being held on suspicion of murder and membership in a terrorist organization. the attack happened in the city of solingen at a festival celebrating the city's 650th anniversary. the remainder of the festival was canceled following the attack. the islamic state group has

claimed responsibility. summer travel is up this year, and experts say this weekend is expected to be a lot more crowded at the airports too. tsa is predicting 17 million people will pass through checkpoints, which would make it the busiest labor day travel weekend ever. kris van cleave explains. >> reporter: nav yeen chopra is hoping to beat the labor day rush by squeezing in one last summer trip with his family now, trading the blistering heat of phoenix for calgary. >> before the kids go back into college, then just having some time before everyone's back in their offices and school. >> reporter: aaa says domestic travel will be the focus this labor day weekend, trending up 9% over last year. the cost to fly is down about 6%. and gas prices are roughly 44 cents a gallon cheaper than this time last year. united airlines expects friday august 30th to be its busiest day of the long holiday weekend. >> overall this summer has been busier than last summer. >> reporter: a.

aa says the top destination, seattle, driven by a nearly 30% surge in alaskan cruises, helping anchorage and juneau, alaska make their top ten list. >> there is this desire to go cruising primarily because people can budget that vacation ahead of time. you know how much you're going to spend on drinks. you know how much you're going to spend on lodging. so you don't have to worry about it too much. >> reporter: travel website priceline says while europe and beach destinations are always big the return of college football and the u.s. open in new york are also going to be big draws. ceo brett keller. >> event tourism has really taken off over the last couple of years. and this labor day in particular big colleg towns are taking off. atlanta, miami, nashville. there's a lot of people chasing sporting events as well as concerts. >> reporter: is it too late to start thinking about labor day weekend? >> it's not too late to start thinking about labor day weekend. and if you're flexible with your destination that really opens you up to cherry-pick and find a location that fits your needs at a great price. >> reporter: for one last taste of record-breaking summer

travel. kris van cleave, cbs news, phoenix. the holiday travel surge at america's airports is expected to last seven days over the labor day holiday weekend. peaking on august 30th, according to the tsa. moving on now to hawaii, where weather alerts were in effect as hurricane hone moved just south of the big island on sunday. the storm strengthened to a category 1 on saturday with sustained maximum winds of 85 miles per hour. it brought heavy rain and tropical storm-force winds to the island right here. the national hurricane center said some areas of the island could see between 6 and 12 inches of rain. straight ahead on "cbs news roundup," dilemma in space. nasa will bring the troubled boeing starliner capsule back to earth without the two astronauts earth without the two astronauts that brought it up. ♪♪ ♪♪ ♪♪

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this is "cbs news roundup." i'm carissa lawson in new york. it will be a long eight months in orbit for two astronauts whose mission was supposed to last only eight days. nasa's top brass decided the troubled boeing starliner will attempt to return to earth after labor day, without the two crew members it brought to the international space station. the boeing spacecraft has been plagued by hydrogen leaks and thruster failures. so the astronauts will have to wait until next year and come home on a spacex capsule. mark strassmann reports. >> nasa has decided that butch and suni will return with crew 9 next february. >> reporter: nasa's decision, switch spaceships and space companies mid mission. >> ignition. >> reporter: back in june astronauts butch wilmore and suni williams flew to the international space station on boeing's starliner. but now they'll fly home next february in a spacex crew

dragon. despite boeing's insistence starliner is safe to fly them back. >> you know, it's disappointing that they're not coming home on starliner. but that's okay. it's a test flight. >> reporter: nasa spent weeks analyzing issues starliner developed on its flight to the iss. specifically helium leaks and the overheating of small maneuvering thrusters. that propulsion system's critical to the return flight home, including undocking and the braking burn on the return to earth. the small engines need to fire hundreds of times to keep the spacecraft in the precise orientation for safe re-entry and on-target touchdown. instead starliner will return uncrewed next month. >> there was just too much uncertainty in the prediction of the thrusters. it was just too much risk. >> reporter: in a statement boeing said, "we continue to focus first and foremost on the safety of the crew and spacecraft. we are executing the mission as determined by nasa." but nasa's decision is bound to frustrate the legacy aerospace

giant in what the space agency admitted was a dramatic change. >> so how now do you begin to rebuild that relationship of trust with boeing? >> oh, i don't think we're rebuilding trust. i think we're looking at the data and we view the data and the uncertainty that's there differently than boeing does. >> reporter: the two astronauts originally were supposed to spend eight days on the space station. saturday was their 80th day in space. space. and they now have six months to talenti salted caramel truffle layers, with creamy salted caramel gelato. -bradley. -it's cookies. -i can see the cookies, the jar is see-through. -i knew that. -i knew you knew that. talenti. raise the jar.

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both the republican and democratic party conventions made history this summer, and part of that history will be remembered by the paraphernalia connected in the halls. hundreds of hats and pins and signs are on their way to the smithsonian institution. ed o'keefe tagged along with the history hunters. >> reporter: long after the balloons drop, the confetti flies, and the signs wave political conventions live on. not just in memorable one-liners. >> and we stand today on the edge of a new frontier. >> read my lips. no new taxes. >> reporter: but also at the smithsonian's national museum of american history. there visitors can see everything from pins and peanuts to boxes of mac and cheese and

ketchup bottles. all of it produced and used at one time to win votes. >> it really demonstrates a very active way in which individuals participate in the democratic process. >> reporter: john grinspan and claire jerry are political history curators. you can call them historical dumpster divers in hot pursuit of political memorabilia. >> we've started since 1988 sending a crew of people to primaries to, to caucuses, to conventions to protests, to actively collect before it's garbage. >> reporter: we first met grin spann and jerry at last month's republican national convention in milwaukee. they came as guests of the gop to track down items to help tell the story of 2024. like these signs some delegates made when they quickly wrote j.d. vance's name alongside trump once the senator was announced as the running mate. one planned to donate their fast work. >> i mean, how neat is that that you guys were doing something spontaneous here and now they want to document it for history? >> that's actually what i appreciate about it, the most about it, the spontaneous

nature. >> reporter: they did it again in chicago with the democrats. scouring for shirts, signs, and other swag. >> let's go. >> reporter: as we walked the floor, grinspan spotted a hat he'd like to add to the collection. >> we love those things that have history from the past, the present, the future together. those make the best objects. >> reporter: back in washington hundreds of thousands of these items are catalogued and stored at the museum. >> and we have things like that going back to 1844 from the whig convention in baltimore. >> reporter: there's an at-home convention kit democrats were sent four years ago o'so they could participate virtually during the pandemic. >> you got your credentials and you got a little bottle of confetti i guess if you wanted to throw it in your home while you were watching the convention online. >> reporter: old press passes plenty of posters and a homemade pineapple hat worn in 1996 by fans of bob dole. get it? >> the hats are really useful because they're not manufactured by the parties. they really are an insight into the workings of one individual. >> reporter: jerry explains why they keep what so often would

otherwise get tossed away. why is it so important to preserve it? >> i think the objects are really important because somebody used them. it's not just something they watched on television but it's something they wore or they carried and it meant something to them. >> that was ed o'keefe hunting political treasure. stick around. "cbs news roundup" will be right back.

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a major food producer is warning that climate change could soon make your favorite sandwich extinct. here's david schechter. >> this is a blt on white. >> reporter: this year hellman's mayonnaise started rung ads claiming our most beloved sandwiches could be dead in 20 years. a point illustrated by giving customers empty wrappers. >> um, what is this? >> you handed me empty tinfoil. >> reporter: the beloved blt dead by 2043? could that even be true? >> tell 34e about your sandwich today. >> it is a bagel with philadelphia cream cheese. >> i just made this blt. it's going to be killer. >> can we trade? >> reporter: dr. michael mann is a climate researcher and professor at the university of pennsylvania. we met for a virtual lunch, and i showed him this ad. >> by 2043 there could be no ingredients available to make a sandwich unless we chait way

that we farm. >> yeah, it's a cute ad. of course it's funny. but at the same time it's sort of engaging in what we call greenwash. >> reporter: greenwashing is a practice that makes a product appear more environmentally friendly than it really is. >> basically, talking the talk but not walking the walk. >> reporter: there's also this ad on the "new york times" podcast "the daily." >> soil erosion is endangering soybeans, a key ingredient in the mayo we put in our sandwiches. >> reporter: soybeans in mayo? who knew? but research paid for by hellman's found that soybeans will be scarce and not affordable by 2043 because of soil erosion. to prevent that hellman's is encouraging regenerative farming practices like cover cropping. before the season when soybeans are planted farmers plant a different crop like rye to hold the soil in place. but mann says hellman's message about its plans to address soil erosion miss the bigger picture

of climate change. >> and so hellman's is sort of seizing upon this sort of -- this notion that if they sound like they're doing something about climate it will appeal to their customer base when in fact what they're proposing to do doesn't really deal with the problem at all. >> reporter: dr. rick cruz is a soil erosion expert at iowa state university. he applauds hellmans for spending $30 million over five years to help subsidize the cost of cover cropping, but he also questions the company's managing. >> so they reach this conclusion that soybeans are going to be gone in 20 years. what do you think about that? >> i'd say right now the evidence isn't strong enough for me to say that soybeans will not be economically viable in 20 years. >> reporter: and actually, there's a modest increase in soybean productivity predicted over the next ten years based on a report compiled for congress. hellman's is owned by $140 billion global consumer products company called unilever.

>> replenish the soil. how can we work with nature? >> reporter: stephanie milley grant is unilever's associate director of external affairs and sustainability. the company says it has ambitious goals including cutting its greenhouse gas emissions and increasng climate-smart farming practice. also unilever recently joined a coalition of global companies pressuring governents around the world to do more to address climate change. >> our purpose is to make sustainability commonplace. and that goes back to 2010 for the company and our journey we've been on in being a leader on this. >> reporter: but unilever is also under a civil investigation by the united kingdom's competitive and markets authority for violating its law about greenwashing. regulators are investigating whether certain statements and language used by unilever appear vague and broad and may mislead shoppers regarding the environmental impact of those products. >> i mean, we came out, we were interested in coming out to talk about regenerative agriculture with you. sandwich idea, that was so

interesting. cute, great campaign, let's come out and see it. and then when you look at the science, the way it was sold and what's actually happening, they're not the same thing. agree? disagree? >> i can't speak to the marketing campaign. >> reporter: since our interview hellmann's has updated its marketing campaign website, adding new details about the impact of more frequent climate events on food production. >> on the one hand it's good that they're raising awareness about the threat of climate change. but look, we will have far worse problems to contend with than whether or not we can get mayonnaise on our sandwiches if we continue, again, to go down this road of fossil fuel burning. >> you should be at my house right now. my lunch is much

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it's monday, august 26th, 2024. this is "cbs news mornings."