much sharper. i was remembering the details that i was supposed to. prevagen keeps my brain working right. prevagen. at stores everywhere without a prescription. a historic ending to the national democratic convention. kamala harris formally accepting the presidential nomination.

the party's first woman of color to top a ticket. what the nominee outlined as her vision for america. meanwhile, donald trump outline his own policies in a visit to arizona, when comes to our southern border and weighing in on a potential endorsement from rfk junior. concerns from wildlife conservationists. and a new olympic hero line up a new gig. and meet the team usa archer who survived an attack. it's friday, august 23rd. "early today" starts right now. good morning. i'm frances rivera.

history was made last night in chicago. vice president kamala harris taking center stain on the final night of the democratic convention. she becomes the first woman of color to accept a major party's nomination for president. harris outlined an optimistic version for the future while giving stark warnings about donald trump. she spoke about her upbringing. >> our opponents in this race are out there every day denigrating america. talking about how terrible everything is. well, my mother had another lesson she used to teach. never let anyone tell you who you are. you show them who you are. >> nbc's brie jackson is in chicago with more on this historic nomination. >> reporter: history made. with kamala harris officially accepting the democratic party's nomination forpresident.

>> i accept your nomination to be president of the united states of america. >> reporter: a sea of white, honoring women's sufficient ran and the first woman of color to lead a major party ticket. harris sharing her personal story, including the powerful influen influence her mother had on her life. >>en amiss her every day, and especially right now. and i know she's looking down smiling. >> reporter: the self-proclaimed joyful warrior laying out her version for the country if elected. >> i promise to be a president for all americans. you can always trust me. >> reporter: capping off a week filled with stars. singer and passionate activist, pink, speakers highlighting the 59-year-old's professional career as prosecutor and senator. >> kamala harris can't be bought. and she can't be bossed around.

>> reporter: supporters taking direct aim at her rival, former president trump. >> our fallen veterans are not suckers. they are not losers. they are our heroes. >> reporter: civil rights leaders highlighting her commitment to helping all people. >> we fought hard for lgbtq loved ones to get out the closet. we won't go back! >> reporter: harris says she's ready to lead the country toward a brighter future. the candidate who just recently stepped into the role, seeking the highest office in the land. in chicago, brie jackson, nbc news. >> donald trump hoped to draw some attention away from chicago and bring it to the southern border. the former president spoke about his call for stronger border policies in the shadow of arizona's border wall. garrett haake asked mr. trump about nbc reporting that he is expected to get an endorsement

from robert f. kennedy jr. today. >>. >> reporter: what role would he have in your administration? >> you're telling me something i don't know. other than i've always been friendly with him. if he were to endorse me, he would consider it a great honor. >> reporter: that's despite all the things he said about vaccine, 9/11 conspiracies. would you put him in your administration? >> no, it doesn't mean administration, certainly having his endorsement, some of the things he agrees on, i also agree on. >> arizona's secretary of state says the campaign has already filed paperwork to withdraw from the race there. donald trump will continue campaigning in arizona today. in arkansas, the state supreme court blocking a petition to bring abortion rights to the voters this november. the court ruling it all comes down to paperwork. advocates did get more than 100,000 signatures toput

abortion rights on the ballot. but last month the secretary of state rejected the effort for not following the rules on state signature gathers. arkansas's near total ban on abortion with no exceptions will stand for now. ukrainian drones struck a military airfield in southern russia. part of kiev's expanding wave of strikes inside enemy territory. the regional kwoefrn governor says the attack was repelled. they targeted warehouses, storing anti-tank weapons and fuel. it was one of multiple drone attacks. the russian defense ministry said they shot down more than two dozen drones in six regions on thursday. ukraine has also intensified cross-border operations, sending nearly 250,000 russians fleeing. the canadian government is stepping in to try to end the

rail freight shutdown. the two largest railways locked out workers after failing to reach a deal on a new contract. the shutdown could send shockwaves through the u.s. supply chain and wreak havoc on canada's economy. here's kristine romans. >> reporter: back on track. after more than 9,000 canadian railroad workers were locked out of their jobs in a contract dispute over working conditions. and the trains stopped. >> good afternoon, everyone. >> reporter: canada's government stepping in to force both sides into binding arbitration. the timing is critical, just ahead of the grain harvest. without rails, farmers would not have been able to ship their crops. potentially raising prices. and ports worried about goods piling up intended for u.s. store shelves for the holidays. >> we want to go back to work. and we hope our negotiating teams can get a deal. >> reporter: the government saying rail operations will resume under the old contract until a deal is reached in arbitration. without a deal, every minute of

stoppage is money. every day, approximately $572 million of trade comes in containers across the border, in 6500 rail cars, carrying fertilizer, coal, timber, auto parts, grain, building supplies, salt, iron ore and chemicals. how important are canadian lines to america's supply chains? >> in the long term, incredibly important. it serves more than half of canadian exports and about 30% of what moves between the u.s. and canada in trade. one of our biggest trading partners. every day. >> reporter: a key canadian labor board now must decide whether to move ahead with the government order. kristine romans, nbc news, new york. the united states postal service is planning to slow down mail delivery to rural areas in an attempt to save money. the postmaster said the changes will take place next year, and they're necessary for the usps to operate more efficiently and

reliably. the plan will save $3 billion. but rural areas would see their mail get delivered a day later than normal. florida residents are pushing back against the new plan to allow golf courses at state parks. the proposal is part of the great outdoors initiative from the state's department of environmental protection. from our west palm beach affiliate, john sheaman tells us why conservationists are concerned. >> halfway through the trail they can stop. they can hear the birds. >> reporter: norman and the turbo turtles are out riding at dickinson state park five days a week. >> to exercise, get out here, mental health for the people. >> reporter: that's thanks to shawna williams and her club's scrub crew who help maintain the trails. she, like others, distressed over the plan to build golf course facilities. >> this wall will be gone. you will not see the scrub. >> reporter: the scrub that is

home to a number of species like gopher tortoises. and the scrub jay. >> it would clear that entire habitat for the wildlife that call this home. >> reporter: it notes that avoidance of sensitive habitat would be priority. but still, conservationist benji says it would set a precedent for state land. >> from my understanding, deviates pretty significantly from this mission, and what makes these places so loved. >> reporter: then there's the issue of how the golf course would fit mnear the river. >> it is a treasure. this is, this is the treasure of the treasure coast. the herbicides that are required for a golf course would be terrible for this kind of fragile environment. >> reporter: what happens if the trails go away? >> that's what we're out here afraid of. >> reporter: some, like heather

a anderson fear that if golfers were brought in her bike shop would be out. >> some of our livelihood goes away. >> our thanks to john sheaman for that report. >> reporter millions of americans are still not catching a break from the heat wave. are you seeing one any time in the future? >> we still across texas have all of these heat alerts in effect. this is going to stay that way for a while. 16 million people included in that. wichita falls, dallas, waco, all on the table as temperatures surge to the triple digits. el paso at 101. dodge city at the 90s. we've been seeing this lasting for a couple days now. as we get into tomorrow, it spreads even farther to the north. we'll run above average for the northern plains, and even chicago heads to the upper 80s. this weekend, things look pretty good. a whole lot of sunshine on tap.

a great weekend for the northeast. plenty of sunshine for the northern plains. the only thing beside the heat is a little bit of cool air and some kind of unsettled conditions across parts of the pacific northwest. as we get into sunday, though, it gets even warmer across the mid sexction of the country. a few thunderstorms across the rockies. otrwise plenty of sunshihene n c. partly cloudy skies for green bay with a high of 78 degrees. and that's a look at your forecast, frances. back to you. >> thanks so much, angie. coming up on "early today," how soon the latest covid vaccines could be available. and one of breouakt stars of the paris olympics get as new gig. to make my home smell amazi.

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with covid surging again across the country this summer, the fda has approved updated mrna vaccines from moderna and pfizer which could be available in matter of days. it more closely targets the variants currently circulating. >> the cdc has recommended everyone over 6 months old get the updated covid vaccine and flu shot this year. a global health emergency has been declared over a new, deadlier form of mpox. here's zinhle essamuah on where the virus is spreading and who is most at risk. >> reporter: in this brooklyn health center, there's new urgency. have you seen an uptick in patients asking for the vaccine? >> yes, absolutely. >> reporter: the world health organization declaring a new mpox public health emergency just last week. fueled by a different sub type of the virus, clade one.

this saudi this strain, more transmissible. it's a viral next spread through close contact. those most at risk include men who have sex with minuteen and immunocompromised. >> community awareness is very important. >> reporter: new yorker, luke brown, contracted mpox during the 2022 outbreak after struggling to find a vaccine. you were trying to get it for months? >> i ended up getting my first of the two-dose vaccine. and then the next day is when i got my first lesion. >> reporter: now he's urging others to get vaccinated. >> there's a concern that the supply will not meet the demand. >> reporter: health officials now awaiting more shipments of

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"please, please, please" and "taste". the video which features jenna ortega is set to premiere this morning. she starts to tour next month, too. >> i didn't know she was doing that. i haven't had chance to listen to the album, but i can promise you, i will be listening. >> she's tiny. she's going to be filling huge arenas. >> her shows are just so fun. now to one breakout star making amends. steven nedoroscik, aka pommel horse guy was announced for "dancing with the stars." he vaulted to worldwide fame after his performance in his signature event in paris helped team usa security first medal in 16 years. the bronze medallist will be the first to perform on the show. obviously, he was a star of the

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overc overcoming a life-changing attack. kate snow tells us how she's chasing her dreams through archery. >> reporter: this is how tracy otto begins a typical day training for the paris paralympics. were you a natural at archery right away? >> i like to think so. it set my soul free. >> reporter: in 2019, tracy had never even picked up a bow. her life looked much different then. she was a premed student and aspiring fitness model. newly dating rick. then one night they were a wakened by tracy's ex-boyfriend. he had broken in with a pellet gun and knife. did you think you were going to die? >> absolutely. >> reporter: tracy was shot, causing her to lose her left eye. she was sexually assaulted. rick was shot multiple times, and both were stabbed. tracy in the back of her neck. physically speaking, how did you

change? >> i am no longer able-bodied. i have an injury at my c5 ve vertebrae. >> reporter: the attacker is serving a 40-year prison sentence. nearly five years later, rick has never left tracy's side. what do you see in tracy? >> the strength, determination, strong willpower. she's going to take this and do something great with it. >> reporter: here we are. >> here we are. >> reporter: that something great is archery, which tracy first tried as a way to fill her days. despite having little strength in her fingers or control of her core. >> it really gave me the ability to have something that i could do on my own. >> reporter: she uses an adaptive bow. a harness keeps her upright, and she wear as special glove. a cable connected to the bow runs up through her hat and to her mouth. >> when i bite down on this close pin type apparatus, it

allows me to pull the trigger. >> reporter: she's now weeks away from her first paralympics. all just three years after she shot her first arrow. what do you hope people see in your story? >> i hope they take away that regardless of your circumstance, it's about you playing the best hand that you can. and you can do anything that you want to do, regardless of what happens. >> reporter: she is proving that. kate snow, nbc news, tampa. >> what an incredible story of survival and perseverance. we are rooting for her to bring home some gold. thank you for starting your friday with "early today." i'm frances rivera. have a great weekend. hope you join me back here all next week.

of america right now at