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>> announcer: this is the "cbs overnight news." summer vacation is winding down, and millions of students are headed back to school. but there's trouble in the classroom, a lack of teachers. at the start of the school year last year more than 100,000 classrooms were staffed by teachers not fully qualified to teach. most of that has to do with teachers quitting the profession. david begnaud has the story from a kindergarten in bartow, florida. >> reporter: oh, to be back in first grade. good morning. we are at floral avenue elementary. orientation starts in about 20 minutes. in fact, little dominique is going to be sitting right where i am. that's the teacher, miss lee, getting ready. she's been at 9 district for 23 years. you know, they'd love to keep

23-year teachers like her here as long as they've been. but right now they're struggling to fill 100 vacancies. that's how many people they need to teach classes. and it doesn't look like they'll meet that deadline by next week. so they're going to plan b. >> it's not just in florida. the shortage is nationwide. >> reporter: as superintendent of schools in polk county, florida jacqueline byrd needs every qualified teacher she can get to manage the 104,000 students she has in her district. but they are going to be short this year about 100 teach years when school starts next week. >> you look at our generations now, younger generations, they're choosing other areas to go into besides education. >> reporter: around the country between 2009 and 2014 teacher education enrollments dropped 35%. >> we've been watching it but we can no longer sit on the sidelines and just watch it. we've got to begin trying to do something. >> reporter: so byrd's take a workg thtategeentional approach.

andside a falconetti to create a teaching academy. the program allows sophomores in high school to take teacher education classes. that counts toward their high school and college degree. so by the time they graduate high school, they'll have an associa associate's degree and two years later a full teaching degree. >> it's a quality, quality education we offer, and we prepare them together as they will have many internship opportunities and field experience in the public school system, direct employment with the public school systems. >> we are scrambling to try to find teachers. >> reporter: mary ann capozielo is president of the polk education association. how bad has it gotten? >> it's gotten bad. this is day three of the teacher year, and i've already had two teachers resign. >> reporter: she says teacher pay is one of the biggest factors. the estimated national average teacher salary last year was $60,483. in polk county it was just over $41,000. >> it's not competitive enough to attract people. not only do we have to get them

here, but then we have to work to retain them in their classrooms so that we don't have this constant every year churn. >> reporter: mary ann was showing me the teacher pay sxej that an entry-level teacher here in polk county makes about 41,000. and if they stay for 10 years they only get about a $4,000 raise. not much, right? but as miss lee said, when you put it in perspective, when she started 23 years ago, she was making 23,000. despite president trumption efforts to promote the coal and oil industries the fastest growing careers in the country are in renewable energy. there's a big call right now for technicians who work on solar panels and wind turbines. and believe it or not, most of the wind industry jobs are in texas. the lone star state has nearly twice as many wind turbines as any other state in the nation.

steve inskeep has more. >> how many miles of wind turbines are we in here? >> from the furthest point on the project to the furthest point there is right about 13 miles. >> reporter: david watkins oversees this wind farm. it's on route 66, exactly halfway between l.a. and chicago. bikers taking road trips on this historic highway rumble past one new wind farm after another. i heard someone in town say once that this particular area doesn't have a lot of oil, doesn't have a lot of water, but the one thing it does have is wind. >> reporter: which means a job for wesley house. >> look at this. best office in the world. >> reporter: he used to work on oil rigs. >> to me this is more stable. >> it's beautiful. >> reporter: with oil it's either hit or miss. >> reporter: a few years ago it was impractical to generate power in this remote spot. then texas spent $7 billion on

power lines connecting windy north and west texas with cities south and east. it happened under energy secretary rick perry. who was governor then. >> we can deliver power to san antonio, dallas, houston, you name it. >> where the people are. >> yep. >> reporter: including the city that uses almost entirely renewable power. it is 501 miles from adrian, texas where the wind turbines are down to georgetown, texas where the power is going. we've been driving all afternoon through the permian basin in the center of texas, and all along the way we've been passing oil pump jacks from an older economy and wind turbines from a new economy. when we arrived in georgetown, people told us coal plants kept the lights on for generations. >> i think it's kind of cool we have all this history, but also we're one of the leading cities when it comes to innovation in the country. >> reporter: then republican

mayor dale ross concluded the market was changing. >> were you always a republican? >> always a republican. >> you grew up in a republican family? >> i did. >> who's your favorite president? >> president reagan. >> reporter: unlike many republicans ross accepts climate science. he supports clean power so much he bought an electric motorcycle. but ross says he approved wind and solar because it's affordable. >> this was first and foremost a business decision. and if you win the business argument then you're going to win the environmental argument. >> have the facts been changing? 10 years ago, 20 years ago wind and solar would have been more expensive, right? >> that's right. the facts have been changing. it's a totally different landscape. in the state of text since january 1st four coal plants have closed. this is the economics of the matter. you buy wind and solar for say $18 a megawatt. you buy coal for 25. you have that choice. which one are you going to buy? >> so you're thinking about the art of the deal.

zplt a >> the art of the deal. i might be able to teach mr. trump something when it comes to renewable energy. all he has to do is invite me and i'll come to the white house, we'll have a great discussion. >> very clean coal. >> reporter: the president has hailed a few new coal jobs. >> miners go back to work. >> reporter: but has not erased coal's disadvantage against natural gas and renewables. >> my overall impression is that president trump has been able to do less damage than i feared that he would. >> reporter: former vice president al gore. >> howdy. >> mr. vice president. >> how are you, mr. mayor? >> reporter: featured georgetown's mayor in one of his climate documentaries. >> market forces are moving the entire energy marketplace toward renewable energy. i'm hoping they'll follow the lead of dale ross rather than donald trump. >> reporter: renewable energy has continued growing since trump's election. even in texas, the conservative home of trump's energy secretary. >> so even though rick perry is

the energy secretary for president trump, who's all about coal, he was in some ways a visionary on wind. >> he was. and without his leadership we wouldn't be having renewable energy here. now, he's shying away from that, and i need to be his pr guy, but

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cookout without burgers and dogs. and for a lot of us it wouldn't be a burger without ketchup. but did you ever wonder who invented ketchup? luke burbank found the answer for "sunday morning." >> reporter: ketchup is just one of those american things. so common, so typical, so ubiquitous that most of us never give it a second thought. >> it has everything that you could want. it's sweet and sour. it's got vinegar in it. it's got sugar in it. >> reporter: andrew smith is a food historian, who says ketchup actually started out in what is now considered indonesia as a sort of fish sauce called is co home and then in the 19th century it landed here, where there was an overabundance of tomatoes. >> if you had a ton of tomatoes in september or october, you had to do something with them, and one of the things that you could do with them is make ketchup.

>> reporter: it took off immediately due to its ability to add flavor to things. and we mean everything. >> during the depression people would go in to a small diner and they would order a glass of water and then they would pick up the ketchup and they would add the ketchup and they would have tomato juice at the end. >> it's not bad. put a little vodka in there, a couple of olives. >> reporter: and the man maybe most responsible for ketchup's spread was a young german-american businessman in pittsburgh named henry j. heinz. he started out selling horseradish with limited success, but it was his tomato ketchup that really took off. >> so we're out in a tomato field in the middle of california. this is a tomato field that contains 4707, our workhorse heinz variety. >> reporter: troy shannon works for heinz. >> this tomato is exactly right for ketchup. it's much thicker and less juicy than a normal tomato you that buy in a grocery store. >> reporter: the 4707 has

actually been patented by heinz, the result of years of research and development. and after those 4707s are picked, they become the responsibility of hector osorno, tomato ketchup master. really. that's his title. and he knows the secret recipe. have they told you what's in the spices? >> yes. >> so they trust you with that information? >> yes. >> but you can't tell me? >> no. >> reporter: osorno is one of only seven ketchup masters at heinz. >> and sometimes what we do is just check. >> reporter: charged with maintaining the taste, color, and consistency of all 650 million bottles sold each year. >> oh. wow. can i try it? >> yeah. >> i'm going to just do this. >> oh, okay. >> it's good. >> it is. >> reporter: but one place his ketchup mastery won't be

necessary? chicago. at least not when it comes to hot dogs. >> no ketchup. no ketchup. anything else but no ketchup. it's like sacrilegious. >> fresh chopped onions. >> reporter: step behind the counter at portillo's. >> a kosher dill. >> reporter: and you'll see that chicago-style hot dogs aren't hurting for flavor. >> is there a strategy to eat k a chicago style dog? >> no. some folks take the pickle off and eat the pickle on the side. some folks just grab it and dig right in and eat it as it is. >> reporter: and don't even think about asking for ketchup across town at the legendary saucy wiener's circle. >> can i have ketchup on there? >> heck, no. that's against the rules of the wiener's circle. we don't do ketchup on hot dogs. okay? not in chicago either. no. >> reporter: and it turns out she wasn't kidding. >> thank you. >> thank you. now go sit down and have it. eat it up. no [ bleep ] ketchup, man!

>> reporter: well, i had to try. i guess the good

some museums in britain are pooling their money to try "tit" thousands of items salvaged from the wreck were set to go to auction. but there's a multimillion-dollar effort to keep them all together and put them on display in london. charlie d'agata reports. >> reporter: the national maritime museum say they're best equipped to look after these artifacts, in fact, they already house a small collection including a watch that stopped the moment it descended into those icy waters. when the "titanic" went down in 1912, she took part of america and britain with her. now bript wants those artifacts back home where its journey began. its museums have the backing of "titanic" movie director james cameron. >> the sinking of "titanic" was a heartbreaking moment in

history. >> reporter: he says it's a chance to honor the 1,503 sxajz crew who perished. >> securing the irreplaceable collection of artifacts, protecting and prefrk them for future generations by placing them in the public trust. >> reporter: the roughly 5,500 piece collection includes personal items like jewelry, cosmetics and cash. but the prized centerpiece is the bronze cherub -- no, not leonardo dicaprio. the statue seen in the grand staircase scene in the movie. and i saw that in a nickelodeon once, and i always wanted to do it. >> reporter: the collection owner, u.s. company premier exhibitions inc., has filed for bankruptcy. the wreck was discovered in 1985 by former u.s. navy officer robert ballard, also part of the campaign. >> all of the people who fell to the bottom of the ocean, the only signature left are their shoes. and they're in pairs of shoes. mother's shoes with baby's

shoes. and i realized i was at a cemetery. and nothing should be taken from this site. >> reporter: ballard said he tried to block deep sea expeditions from removing objects but because the "titanic" sank in international waters it was finders keepers to the first salvage team to claim, it which is how it eventually fell into the ownership of the u.s. company. british museums argue the collection will be better off here than lost to the world of private ownership, says national maritime museum director kevin fuster. >> we're looking to buy the collection but we're also wanting the courts to recognize that there are principles at stake here other than just money. >> reporter: now, that includes looking after the wreckage site. that u.s. navy officer called it hallowed ground saying you wouldn't take a shovel to gettysburg or go hunting for belt buckles at pearl harbor. >> and that's the overnight news for this friday. for some of you the news continues. for others check back a little bit later for the morning news

and "cbs this morning." frenter in new york city i'm tony dokoupil. captioning funded by cbs it's friday, august 10th, 2018. this is the "cbs morning news." a federal judge orders the return of a mother and child deported and issues a threat to the attorney general. the holy fire rages on in southern california. the flames are moving dangerously close to home, triggering an evacuation order for more than 20,000 people. and a teen is pushed off a bridge, falls 60 feet into the water, and narrowly survives.