to election offices nationwide tonight. where federal investigators think the mail is coming from. >> right now, investigators are in a race to find out whoever is behind it. >> norah: four-hour daily pauses of air strikes in gaza. why israel agreed and what it means for the hostages still held by hamas and the civilians trying to escape the fighting. >> a massive air strike hit this house, which consists of three floors and full of civilian. >> norah: ambush in florida. two deputies in critical condition tonight after a driver rams into them, allegedly targeting the officers. the actor's strike is over. how fran drescher became the hero of hollywood, ending the historic strike. and when your favorite shows could come back. >> when do you think we're going to see cameras rolling again? >> today! >> norah: big news here in the nation's capital. west virginia senator joe manchin announces he won't run for another term. what it could mean for an already slim democratic majority. hottest 12 months ever recorded? what scientists are saying. >> as a new chapter unfolds here at the national world war ii museum, there is poignant relevance to the current conflict overseas. >> people need to know their history. if you don't, you are just moving ahead blindly. ♪ ♪ >> "fast car," tracy chapman. >> ♪ i... ♪ >> norah: and how a hit from the '80s won song of the year at this year's cma awards. >> ♪ i had a feeling i could be someone, be someone, be someone ♪ [applause] thank you! ♪ ♪ >> norah: good evening to our viewers in the west, and thank you for joining us. we begin tonight with breaking news and a series of potentially deadly and targeted attacks on election workers across the country. the fbi and investigators from the u.s. postal service are looking into more than a dozen letters, some containing fentanyl, that were sent to election offices in at least five states. workers in some of those offices were processing ballots from tuesday's election, and in some cases the buildings were evacuated, interrupting the counting of votes. since 2020, there has been a rise in threats, harassment, and intimidation of election officials. cbs's jeff pegues has the latest on the investigation. he will start us off tonight from right here in washington with new reporting. good evening, jeff. >> reporter: norah, tonight fbi agents and postal inspectors are racing to figure out who is behind these threats. those letters were just dropped in the mail by someone who seems to be bent on terrorizing election workers. >> so this is very, very serious, and we take it that way. >> reporter: a source familiar with the investigation tells cbs news there are more than a dozen letters being investigated addressed to election offices in washington state, oregon, california, nevada, and georgia, that may have been mailed from the pacific northwest. initial tests show that some of the letters contain trace amounts of fentanyl, but more definitive tests are ongoing. in georgia, where election officials have been targeted since 2020, the secretary of state says the threat is personal. >> you know, some people like to call fentanyl a drug. but it's actually poison. it will kill you. >> reporter: fulton county has been the recipient of numerous election-related threats over the last several years. it's the county where former president trump has been indicted, along with 18 others in connection with an alleged racketeering case. gabe sterling, a georgia elections official, says the fentanyl-laced letters are domestic terrorism. >> you can't think of every single threat, so this now raises it on our radar to something we can train for and plan for, but it's also another stressor for election officials that are under tremendous pressure already. >> reporter: the dangerous letters come as election officials around the country are under threat. how has the threat environment changed toward election workers, post the 2020 election? >> it's been fairly consistently high threat environment since the 2020 election, over three years ago now. we have seen abuse, threats, and harassment of election officials. >> reporter: so far, investigators believe the fentanyl in those envelopes is unharmful. still, norah, fulton county officials are making sure the facilities targeted have narcan, which is the overdose-countering treatment available, just in case. >> norah: an attack on democracy. jeff pegues, thank you. well, tonight, the white house says israel has agreed to daily four-hour pauses in air strikes to allow civilians to flee the war zone in northern gaza. now, for context, so-called tactical pauses were already underway, and today 80,000 palestinians were able to escape. here is cbs's debora patta in east jerusalem. >> reporter: tonight, the first glimpse of hostages since the ground invasion started. in this video, their captors claim to be ready to release both 77-year-old hanna katzir and 12-year-old yaghil yaqub, kidnapped from the nir oz kibbutz. they are just two of the roughly 240 hostages still in captivity. we will not run the video or what appears to be scripted, recorded messages praising their captors. on the ground in gaza, heavy battles rage. this israeli military footage shows soldiers walking into a building they say is a hamas weapons manufacturing site. and from the air, israel's fiery bombardment blazed across the night sky, striking right next to this hospital. fleeing the embattled north, a torrent of people, tens of thousands, attempting the perilous journey along an evacuation corridor. but refuge is hard to find. this was supposed to be a safe zone. [honking] our cbs news producer marwan al-ghoul raced to the scene of the destruction. [sirens sounding] arriving to find battered bodies and bloodied faces. >> reporter: tens of people were killed here and the people are trying now by their bare hands to pull out the bodies and injured people. >> reporter: but survival means not only escaping death, but finding enough to eat and drink. bread, no longer a necessity, but a dwindling luxury. and clean water so difficult to find, children have turned to the sea. "i add sugar to the salty water so i can drink it," said this little boy. as they run back into the sea, childhood play twisted into a grim new reality. and cbs news can confirm that talks are progressing towards a deal that would free between 12 to 15 hostages in exchange for a 2 to 3 day humanitarian pause, and norah, cia director william burns and his mossad counterpart are taking part in those discussions in qatar. >> norah: some high-level talks. debora patta, thank you. well, for the first time in more than six months, it's time for lights, camera, action. the hollywood actors strike has finally come to an end after their union reached a tentative billion-dollar deal with studios and streaming companies. cbs's carter evans reports on productions coming back to life and when you can expect to see new episodes of your favorite tv shows. [cheering] >> reporter: it's a celebration 118 days in the making as word of a deal spread quickly through hollywood. >> we just heard moments ago, the strike is over. >> it's amazing! >> reporter: sag-aftra presidet fran drescher says the new contract is worth more than a billion dollars over three years for working actors. when do you think we are going to see cameras rolling again? >> today! this was really one for the ages. >> reporter: the deal includes wage increases up to 11%, performance-related payments for streaming shows. also protections for actors from the threat of ai and studios potentially using their likeness without their consent. >> we realized that this is a wild pony that needs to have a saddle thrown on it, and we need to pull in the reins, and it was only in the very last moments that they came forward and gave us the last piece of it. >> we? royalty. >> reporter: now, actors starring in anticipated holiday releases like "the color purple." ♪ oompa loompa doompety doo ♪ "wonka" and "the hunger games" prequel can promote their movies on the red carpet. >> okay, fine. i see all of you. >> reporter: and tv networks are scrambling to start production on scripted comedies and dramas. new episodes could could start airing early next year. studio executives are saying actors are getting the largest increase in minimum wages in the last 40 years. great news for working actors like chad coe, eager to leave the picket line and get back on set. >> i think it's going to be really special for all of us to be able to go out there and make a good living. >> reporter: studio lots like this one have been ghost towns now for months, but soon they will be bustling again with production crews. the entertainment industry lost an estimated 44,000 jobs, and the economy took a $6 billion hit during both the actors and writers strikes. norah? >> norah: everybody ready to get back to work. carter evans, thank you so much. coal country democrat joe manchin stoked the flames of speculation today that he may enter the 2024 race for president. cbs's robert costa is measuring the shock waves of the west virginia senator's bombshell announcement. >> i will not be running for reelection to the united states senate. >> reporter: the announcement from veteran democratic senator joe manchin shook up washington today, raising new questions about whether democrats will be able to hold on to their narrow senate majority next year, and about whether manchin will make a late entry into the 2024 presidential race, something he has not ruled out. >> what i will be doing is traveling the country and speaking out to see if there is an interest in creating a movement to mobilize the middle and bring americans together. >> reporter: the 76-year-old centrist was facing a tough reelection fight against west virginia's republican governor jim justice, and some top democratic sources tell cbs news they now worry manchin is going to explore running on the nonpartisan no-labels ticket, which they believe would pull votes from president biden should manchin launch a bid. meanwhile, the republicans hoping to unseat mr. biden took swings at each other last night. former u.n. ambassador nikki haley, who has risen in the polls in recent months, was attacked by political outsider vivek ramaswamy. >> do you want a leader from a different generation who is going to put this country first, or do you want dick cheney in 3-inch heels? >> i'd first like to say they're 5-inch heels, and i don't wear 'em unless you can run in 'em. [applause] >> her supporters clapping her up, that's fine. here is the truth. >> reporter: there was concern today that the rhetorical fistfights only hurt the party and do little to upend a race dominated by former president donald trump, who skipped the debate. >> when you watched last night, look, the juvenile back and forth between vivek ramaswamy and nikki haley, you know, those are not the kind of people who are going to beat the democrats next november. >> reporter: behind the scenes, my sources close to several candidates say there is now a sense of desperation. public confidence, but private alarm, over money running out, donors losing faith, and until the field winnows down, few are sure that any of that will change. haley is increasingly seen by some power brokers as perhaps in the best position, but not as a sure thing. norah? >> norah: wow, getting ready to voting time. robert costa, thank you. well, breaking news tonight just coming in, two sheriff's deputies are fighting for their lives in a hospital after being ambushed outside tampa by a man in a car. police have released this body camera video of the attack. we want to warn you, it is hard to watch. here is cbs's roxana saberi. >> reporter: dramatic videos show the moment two sheriff's deputies in florida were violently mowed down on the job. >> today, the hillsborough county sheriff's office was intentionally attacked and ambushed by a man determined to kill deputy sheriffs. >> reporter: the force of the impact pinned the deputies between their suv and two other cars. officials say one deputy's femur bone was crushed, and his leg may have to be amputated. >> these deputies never had a chance. they didn't have a chance to get out of the way. >> reporter: tonight, 28-year-old ralph bouzy, who has a violent criminal history, is facing three counts of attempted murder on a law-enforcement officer. deputies were called to the home by the suspect's mother, who told police her son was acting irrational and violent. after police arrived, he left and circled back, then sped toward the deputies. bouzy was tased and taken into custody. >> thankfully, regardless of how injured they are, the recovery that they may face, both deputies are alive. >> reporter: roxana saberi, cbs news, new york. >> norah: all right, turning now to day two of an intense manhunt underway in new jersey. the fbi is offering a $10,000 reward leading to the arrest of gregory yetman. he is wanted in connection with the january 6th attack on the u.s. capitol. the former national guardsman ran into the woods when law enforcement tried to serve an arrest warrant at his home. residents in the small town of helmetta have been told to keep their doors locked. well, just in time for veterans day, the national world war ii museum in new orleans recently opened its final chapter, liberation pavilion. the new exhibit explores the war's legacy, including the consequences of the holocaust. in tonight's "eye on america," cbs's janet shamlian shows us why the timing is relevant to what's happening in the world today. [bugle call] >> reporter: on the sprawling campus of the national world war ii museum, its newly-opened liberation pavilion may be its most important exhibit hall, detailing the war's legacy and its lessons. at the unveiling, some of the last surviving veterans who fought for freedom. and eva nathanson, who fought for her life, a holocaust survivor. >> in 1945, somebody had turned my mother and myself in and they dragged us to the danube, and they tied us together and shut us in the danube. the holocaust was dark. >> reporter: nathanson's story, part of an exhibit detailing not just the war's jubilant end and aftermath, but its grim human toll. more than 400,000 american lives lost and millions massacred in the holocaust. >> this is a coffin crate, a transport case. >> reporter: museum senior historian rob citino on insight this collection can provide amid war in the middle east. >> people need to know their history. if you don't, you can't really look to either side to know how other people got there. you are just moving ahead blindly. >> reporter: there are relics and heart-wrenching accounts. >> i remember being dragged... >> reporter: we were with nathanson as she toured the new pavilion, listening for the first time to her own recorded story. >> i had almost tears in my eyes. >> reporter: narratives like hers, the museum hopes, will guide leaders of the future. >> i feel i had to do it, not for myself, but for my children, my grandchildren, and future generation. >> ♪ god bless america ♪ >> reporter: war's lasting legacies amid a backdrop of conflict today, a never ending battle for freedom. for "eye on america," janet shamlian, new orleans. >> norah: let's not forget about veterans day. all right, it was a major midair scare for people aboard this jet when they realized their plane was missing two windows. we're going to tell you how it ended next. ♪ ♪ >> announcer: tonight's "eye on america" is sponsored by weather tech. auto, home, pet. find your fit at weathertech.com. weathertech gift cards have the power to wow everyone on your holiday list. offering a variety of american made products... weathertech! 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