0 new jersey's metlife stadium. some of the balloons as tall as a five-story building. that is all the time tonight. final push. three presidents past and present sweep through pennsylvania this last weekend before the high stakes midterms. i'm in philadelphia. power players converge in the keystone state ahead of an election with sweeping national consequences. arizona, another critical battlefield. cbs is there. >> the races in arizona appear to be a dead heat. we caught up with the republican candidate for governor lake as she toured the u.s./mexico border. tonight tornados rip across several state and another storm dumps on the west. plus an american show of force as north korea fires off more missiles. while ukraine braces for a new blood by fight. >> i'm in ukraine. the next major battle in this conflict could be for the russian occupied city. >> plus high-rise rescue as fire and spoke engulf a new york apartment tower. and later. who wants to be a billionaire? buyers seek the lucky ticket for a record smashing powerball prize. this is the cbs weekend news from chicago with adrian that diaz. tonight on this find weekend before the midterms the parties strongest messengers hit the campaign trail focusing on one state. that battleground, pennsylvania. the political heavy weights rallying voters in a fight that could define the country well beyond this election. tonight president joe biden stumped together with former president barack obama in philadelphia. cbs is there tracking it all. katilyn, good evening. pennsylvania is packed with president's today in a sign of how critical this state is in the midterm election campaign. president biden and former president obama are in philadelphia to campaign for john fetterman. in another part of the state former president trump is here to campaign for mehmet oz. this is a very close race that will likely determine who party controls the snapt. >> we are setting our clocks back tomorrow by an hour. on tuesday let's make sure our country doesn't get set back 50 years. >> obama laying out the stakes first in pittsburgh. biden starting his day in the chicago suburbs. >> we've got to step up. we've got make sure we protect the american people. >> the head winds facing democrats are strong and incouple benlts in several states are locked in close races. even with news friday of improved jobs numbers, voters remain anxious about rising costs of goods and gas. >> right now the economy is in an awful state. i feel that the prices have gone up in everything when i go to the grocery store. it's absolutely horrendous. >> fetterman responding to concerns by swiping at corporate america! it's much more critical to push back against the corporate greed. and the price gouging is true. >> while oz focused his closing message around crime. >> we have families all over the commonwealth worried about crime. so much so they won't send their kids outside. >> the keystone state with the republicans hoping to reclaim the senate and stopping the biden agenda. without it the gop would have to flip two other battlegrounds. races in georgia, nevada and arizona remain toss ups. and trump may be here for oz and other candidates but he also has 2024 on his mind. he's likely to launch another presidential campaign later this month. these dualing rallies could be a preview of what's to come. >> thank you so much. to arizona now. what happens there on election day won't just affect what happens within its borders but across the country. cbs chris vancleave is in phoenix. >> we have to use the last three days to get out the vote. >> calling in star power from d.c. and hollywood kelly hit the stretch of campaign with first lay by jill biden at his side saturday. after a get out the vote rally can actress carey washington. >> my opponent said on a debate stage he wants to prooiftize social security. >> kelly's race with republican challenger masters is a dead heat. he's on a gop bus tour across arizona. the 36-year-old venture capitalist hammered kelly on the economy and border security. >> you give this guy more time in office to understand the agenda he'll make the problems worse. >> lake the tv anchor and candidate for governor garnered national attention for questioning the 2020 election and daily made for tv rallies. >> we will secure this border. >> lake is pledging to build a border wall. >> how do you pay for all that? >> when we build this border wall we protect people in south carolina, iowa, idaho, wyoming, every single state. you name state we're helping protect people when we finish this wall. we think there is an appetite by americans to build that this wall. we think they'll help pay for it! do you think wyoming will pay for the wall? >> i think governors in other states would consider chipping in. >> her opponent secretary of state hobbs run a low key campaign and refuse to debate lake. >> a contrast between myself and my opponent offering divisive rhetoric and no real solutions. >> several races could be close and a new law in arizona triggers a recount if they are within a half a point. election officials say if that happens those races wouldn't officially be settled until late december. >> thanks. cbs news will have full coverage of the midterm elections on tuesday starting at 8:00 p.m. eastern 5 pacific. today a daring high-rise rescue by firefighters in new york city. this was the scene outside the 20th floor of an apartment fire in manhattan. toxic smoke forced dangling firefighters to use ropes to lower this woman to safety in the apartment below. the city's fire commissioner says at least 38 people including five firefighters were hurt. >> i cannot emphasize enough the extraordinary work of our members this morning in unbelievably dangerous conditions. >> officials say an ion battery on a bike or scooter sparked the fire. overseas a dualing display of military muscle over the korean peninsula. the u.s. sent two b 1 b sonic bombers over south korea. the drill called vigilant storm came after north korea fired off four more ballistic missiles. today iran acknowledged for the first time they provided military drones to russia. they've been a key part of russia ars nel. forces shot down hundreds of them. we get more on the war from holly williams in ukraine. putin suggested yesterday he was forced to invade ukraine. confrontation with the nazi regime was inevitable said putin referring to the government of president zelensky who is jewish and grandfather fought against nazi germany. on russia state television they claim russia is not just fighting ukraine but the west and liberal values. this commentator said the tv series "friends" is a good example of it. on the battlefield russia suffered a stream of embarrassing failures as ukraine recaptured swads of its territory and moscow mobilized three hundred thousand reservists. yesterday putin authorized the con stenoscription of convicted criminals. perhaps in december pena ration russia began targeting critical infrastructure including the power grid with air strikes. with a harsh winter looming, ukraine says 40% of its energy infrastructure has been damaged. this week g 7 nations including the u.s. said they'll help with reconstruction. the next major battle could be for the southern city which is crucial strategically. civilians in the occupied city evacuate bud these ukrainian soldiers say while the russian troops sometimes appear to be leaving, in reality, they are reenforcing their positions. >> i guess it's some trick. >> this week the british government said it had intelligence the russian military may have deployed so called barrier troops. those are soldiers who threaten to shoot their own comrades if they retreat. >> holly williams. thank you. today a massive cleanup is underway after tornados ripped through texas, oklahoma and arkansas. at least two people were killed. many others injured. dozens of homes and buildings were left in ruins across the plains. tonight a new storm system will soak big parts of the west and drop snow across the sierras, cascades and rockies. the largest lottery prize ever $1.6 billion is at a stake in tonight's powerball drawing. five states, utah, nevada, hawaii, alabama and alaska don't sell tickets but someone in the other 45 could soon be rich. across the country people are calling on lady luck in hopes of winning the worlds largest lottery prize ever. $1.6 billion. we got the winning ticket. >> with a jackpot that big, everyone has a dream. what would you do with all that money? >> expand it, of course. >> i probably have a heart attack. >> in fact, there's a greater chance of having a heart attack, being struck by lightening or attacked by a grizzly bear in yellowstone park than winning it all. the odds only 1 in 292 million. >> you can't win if you don't play. >> in california, home to one winner of the last record breaking lottery. residents of nevada are crossing the state line in droves for the chance to win big since they can't play powerball at home. economists say rising inflation may be feeding the frenzy. >> a lot of previous times when the economy is actual in recession we see a spike in lottery sales. inflation is cutting the value of your income. well, one way out of that is go down and buy something which ca >> there has been a line outside this store in los angelos known for producing winning tickets all day. although tonight's jackpot is $1.6 billion that means the cash value is around $780 million before taxes. if no one wins tonight it will tie the longest jackpot run in powerball history. >> hope you got your ticket. thank you. straight ahead on the cbs weekend news. the mission behind this health clinic on wheels. how california is fighting back against a historic drought and later. the florida voter prooving it's never too late to be an early voter.