as i used to. i don't debate as well as i used to. >> margaret: former president trump touts his night on the stage despite a number of falsehoods and inflammatory treatments >> the number of people coming to the border. they are taking black jobs. to be new reporting and what we are hearing from voters. the "cbs evening news" starts now. good evening. i'm margaret brennan in for norah o'donnell. it's a tight presidential race. president biden argues his opponent, donald trump, is a threat to the very future of american democracy. mr. biden helped last night's debate would tip the race in his favor. instead, today he's facing calls to step aside. today a lively president biden sought to calm concerns by campaigning in the key state of north carolina, arguing that he is still up to the job of commander in chief. despite those daylong attempts to reassure her, just moments ago, "the new york times" editorial board published this scathing headline "to serve his country, president biden should leave the race." with just four months left until election day, donald trump today rallied his supporters in virginia. last night trump repeatedly made false claims and would not commit to accepting the results of the november election. we have team coverage of last night historic debate and cbs's nancy cordes will start us off. >> i know i'm not a young man. to state the obvious. >> reporter: campaigning in north carolina this afternoon, president biden sought to reassure voters, even as he acknowledged what they all saw last night. >> folks, i don't walk as easy as i used too. i don't speak as smoothly as i used to. i don't debate as well as i used to. but i know what i do know. i know how to tell the truth! i know, i know right from wrong! >> reporter: he sounded less hoarse and more energetic than he did on the debate stage. >> look, if -- can we finally beat medicare. >> margaret: his holding answers fed into pre-existing concerns about his age and acuity. >> the total initiative relative to what we are going to do with more border patrol and more asylum officers. >> president trump. >> i really don't know what he said at the end of that sentence. >> reporter: . >> reporter: behind the, biden needs to damage control, reaching out to battle democratic lawmakers. >> was a bad night but it wasn't the end of the campaign. >> did joe biden have a bad night in my opinion? yes, he absolutely did. >> reporter: new hampshire senator jeanne shaheen acknowledged the party is grappling with what to do now. >> he had a really bad night last night so the question is, is not going to disqualify him for the next four years? i think that's to be determined. >> reporter: publicly democratic leaders tried to tamp down the concerns. >> stay the course. >> we saw integrity on one side and dishonesty on the other. that's how i saw it. >> reporter: and yet it was biden struggled to counter trump's dishonesty last night that has democrats down ballot worried. >> he wants open borders. i'm the one that got the insulin down for the seniors. he wants to raise your taxes by four times. >> the fact the matter is that he's dead wrong. >> reporter: trump held a victory rally today in chesapeake, virginia. >> despite the fact that crooked joe biden some of the entire week at camp david resting, working, studying. he started very hard. he studied so hard he didn't know what the hell he was doing. >> reporter: the republican house speaker mike johnson argued biden should be removed from office. >> under the constitution of course it's the cabinet that makes that decision. i would. i would ask the cabinet members to search our hearts. >> reporter: we asked voters around the country with a thought. >> is not the perfect candidate but trump is a convicted criminal. >> i'm not going to give up on him. i'm going to give them a chance. >> democrats should wake up today with a plan b. that's what i believe. i really don't think he should be a candidate. >> reporter: the biden team contains the president faltered last night but they insist that trump did himself no favors either. they say there are no conversations here at the white house or at the campaign about biden bowing out, and they say he has every intention, margaret, of appearing at the second and final presidential debate on september 10th. >> margaret: nancy, a lot can happen between now and then i know you'll be covering it. for more analysis now, let's and campaign correspondent robert costa and chief washington correspondent major garrett. major, if democracy itself is on the line, why are democrats playing this down? >> because they know the decision about staying on the ballot is entirely in the hands of president biden. democratic national committee rules are very clear on this, margaret. unless biden steps down there is mechanism to deny him the nomination, no eject button, as we heard from the voter, no plan b. it doesn't mean biden's reelection campaign isn't in more trouble than it was before the debate. had to exert a ton of energy today to reassure democrats, extract support from congressman clyburn, former president obama, there are also deep concerns i'm hearing about institutional party donors potentially holding back, not giving the reelection campaign is much as they originally wanted to. not because i don't believe in the cause but they now have fresh doubts about the ability of president biden to carry that cost a victory. >> margaret: robert, how is that campaign going to convince the public to forget what they saw? >> there following the candidate, president biden. margaret, i've been talking to people close to the president today and they say this is someone who's been on the public stage for more than a half-century. election of the senate in 1972 in the wake of a personal tragedy. he's been through that and political humiliations over the years. he keeps going and going and plowing forward. he is a stubborn personally, stubborn politically. his friends that he's not going to give up the presidency, something he's had his eye on for so long. he's carrying on a dismisses calls whether it's "new york times" editorial board site or other democrats ran to step away from the ticket, he is staying in. the only person committee convince him otherwise, the first lady jill biden. she's with him, i'm told, tonight. >> margaret: gentlemen, thank you for your analysis. now we are going to go to the supreme court and a consequential ruling today that could impact the prosecutions of more than 300 cases related to the january 6th attack on the u.s. capitol as well as the special counsel case against former president donald trump. cbs's jan crawford is at the supreme court. >> reporter: the ruling means prosecutors may have overreached when they charged several hundred generates six defendants, including former president donald trump, with obstruction of unofficial proceeding. the felony charge, part of a law passed by congress to address accounting fraud carries a sentence of up to 20 years in prison. in a 6-3 decision written by chief justice john roberts the courts has a law requires prosecutors to show something more, that they impair the availability or integrity of records and documents. biden appointing ketanji brown jackson joins the conservative majority with trump appointee amy coney barrett in dissent with the court's other two liberals. of the more than 1400 people being prosecuted for the capitol ride, more than three and 50 faced obstruction charge. 27 are still serving their sentences for it. for trump, it is the basis for two of the four charges against him. but the decision does not rule out a certain prosecutions for those defendants who interfered with evidence. for examples, certificates for state electors that congress was counting. >> today's decision is not a get-out-of-jail-free card for donald trump. the charges against trump i think will have two be reevaluated but that's not to say that the prosecution under this law can't continue. >> reporter: also today the court decided to other major cases, both in a 6-revote. another opinion by roberts, the court overturned a 40-year-old decision, long criticized by conservatives, they gave federal administrative agencies sweeping power to regulate wide swaths of american life. in a decision by justice neil gorsuch, the court ruled that a town in oregon could enforce its ban of people sleeping in parks and public spaces even if they are homeless. now the court will return to the bench on monday to release the last discussions of the term including that major case on whether trump can even be prosecuted for his actions were a generous sixth. what if any immunity does he have. margaret. >> margaret: significant decision. jan crawford. we'll be following your reporting closely. we are learning new details tonight from the ten count indictment against former uvalde school police chief pete aaron dondero. these are the first criminal charges over the failed law enforcement response to the killing of 21 people during the mass shooting at robb elementary school two years ago. cbs's janet shamlian spoke with the family members of two of the children who were killed. >> reporter: former uvalde school police chief pete arredondo facing justice, grand jury charging them with failing to act as a gunman killed 19 children and two teachers at robb elementary school. >> chief is in there. chief is in charge. upon my covalently indictment accuses arredondo of delaying the response by law enforcement officers as the gunman was hunting and shooting children. the indictment says he failed to identify this as an active shooter incident, to enforce the district's own active shooter response plan, and to provide keys that would've allowed officers to quickly enter the classroom 77 minutes went by as the carnage continued. arredondo was taken into custody at the uvalde county jail and released last night after posting $10,000 bail. a second officer, adrian gonzalez, was also indicted and turned himself in today. after more than two years, what is this moment like for you? >> i've got mixed emotions because i'm happy that arredondo and gonzales are facing these charges. but also it's just a step. there needs to be more. >> reporter: brett cross' 10-year-old uziyah garcia, was killed. so was jesse rizo's knees. >> an emotional day. >> reporter: do you think there will be more enti indictm. >> i promise nothing would trick about what happened and i was made a liar and i have to fight so no other kids meet the same fate he did, nor the parents have to go through what we did. >> margaret: janet, thank you. police on long island are investigating tonight the cause of a tragic crash at a nail salon. four people were killed and nine others were injured when a minivan plowed into the building in deer park. the van remains stuck in the back of the salon. the driver survived and was partially conscious when taken to the hospital. details are still being gat gathered. this independence day could be the hottest on record in some cities. dangerous storms make their way across the u.s. for details, let's bring in cbs bay area meteorologist paul heggen. good evening, paul. >> margaret, good evening. the big weather story for this last weekend in june is going to be extreme heat in the south-central u.s. excessive heat warnings and heat advisories and effect. heat risk, the threat of heat illness, is going to be in the high category spreading across even more the country as we had through the weekend. then for the fourth of july holiday, we are going to see the southwestern and western u.s. getting in on the action. these of a forecast high for independence day. 113 degrees in las vegas. it's supposed to be hot this time of year but not that hot. in the south central and southeastern, temperatures into the 90s and low 100s will feel more like over 110 degrees with the humidity factored in. in the short-term, we are tracking the development of a severe weather threat moving from the upper midwest and pushing into the northeast of the u.s. over the next 48 hours. a slight risk of severe weather which means an elevated threat for the great plains today is going to move into the upper ohio river valley and great lakes on saturday and then towards the i-95 corridor with damaging straight-line winds, hail, isolated tornadoes possible and margaret, if all that wasn't enough, new tropical system is developed and will strengthen as it moves into the caribbean next week. >> margaret: paul heggen, thank you. now a look at tonight's other top stories. starting with the kick off to a busy holiday travel week that could be record-breaking. cbs's errol barnett explains errol barnett explains. >> the tsa expects 3 million people to pass through airline security checkpoints like this one at newark, any day now. margaret, when that happens, it would be the busiest airline travel day ever. more than 50,000 flights are in the skies today and over the holiday week, the tsa expects to screen more than 32 million people,a 5% increase over the last fourth of july. >> there were no empty seats on the aircraft at all. >> airplanes were full. >> margaret: out to oklahoma where teachers are now being mandated to incorporate the bible into some lessons. it comes a week after louisiana required the ten commandments to be displayed in every public school classroom. cbs's omar villafranca has more. >> reporter: margaret, oklahoma state school superintendent brian walters directed public schools to use the bible as a teaching tool for students in fifth through 12th grade when they're being taught history or civilization and its influence on the u.s. constitution. walters says the state may supply teaching materials at taxpayer expense, adding strict compliance is expected. the state attorney general's office told me it doesn't see the memo as a mandate and pointed to state law saying that lessons and textbook choices are made locally by districts. critics say walters can't use state money to buy bibles and expect his move to be challenged in court. >> margaret: oversees now to gaza and that problematic. the u.s. military built off the coast to bring aid to civilians. seize cbs's imtiaz tyab's reports there is more trouble ahead. >> not only is the $230 million u.s. military built. being dismantled yet again because of bad weather, it may not be reinstalled. we traveled on the u.s. militar% vessel to the temporary platform just this week, even in calm seas, it clanged and shook. since becoming operational in mid-may, it's been plagued with problems, only functioning as it's meant to for around 18 days. import we saw some aid trucks rolling into gaza, in total around 8,000 metric tons of aid or just over 500 truckloads have made it in, with a pentagon spokesperson saying there's no date for when operations would resume. >> margaret: thanks to our cbs news teams 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