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watching. here's some of the stories we're tracking on cbs news roundup. after dropping out of the rate for reelection, president joe biden endorses his vice president, kamala harris. the spotlight now turns to the vice president, as she sets her sights on securing the democratic nomination. and, with only weeks remaining to pick a running mate, we'll take a look at potential candidates. president biden made the m momentous decision, stepping down from reelection and supporting kamala harris as the democratic nominee. >> reporter: in a statement, the president said in part, quote, while it has been my intention to seek reelection, i believe it is in the best interest of my party and the country for me to stand down and to focus solely on fulfilling my duties as president for the remainder of my term. biden's decision followed a debate performance that prompted

more than three dozen democratic lawmakers to urge him to drop out of the race. chris coons called it vae difficult decision. >> the challenge of seeing this moment and recognizing what was in the best interest of the nation was a significant challenge. i still believe he could have beaten donald trump. >> reporter: the president's change of haeart comes one w. in a statement, kamala harris said she's honored and that it's her intention to earn and win the nomination. political heavy weights are already backing vice president harris, including both clintons and many members of congress. >> the framework of the race is clear at this point. kamala harris is going to prosecute this case for democracy and freedom across the country. >> reporter: across the country, voters reacted, from the

battleground state of wisconsin. >> biden dropping out now really kind of changes a lot of what i was thinking as well, having to learn about a new candidate. >> reporter: to the nation's capitol where some supporters gathered to expression admiration for the president. >> i'm here today to help to celebrate his legacy and all that he's accomplished on so many issues, including the one that i work on, which is climate. >> reporter: the dnc says in the coming days the party will undertake an orderly process to move forward as a united democratic party. vice president kamala harris has begun contacting potential donors, saying she intends on winning the democratic nomination. harris is the highest-ranking woman ever in american politics. ed gordon has more on her rise. >> reporter: kamala harris burst onto the political scene. she broke barriers as the first black and south asian woman district attorney of san

francisco and attorney general of california before entering national politics. >> we know this is the first open senate seat we've had in almost a quarter of a century. >> reporter: in 2016, she won a senate seat in california. and it didn't take long for her presence to be felt in washington. >> can you give plme a yes or n answer, please? >> it's not a short answer. >> either you are willing to do that or not. >> reporter: presidential buzz grew quickly. she made it official in 2019. >> i stand before you today to announce my candidacy for president of the united states. [cheers and applause] >> reporter: her record as a prosecutor in california at time was at odds with the direction of the party, and her momentum faded. >> it is with deep regret, but also with deep gratitude, that i am suspending our campaign today. >> reporter: however, she would soon be on a new campaign. with joe biden. >> i picked the right person to join me as the next vice president of the united states of america.

and that's senator kamala harris. >> reporter: and, in november of 2020, joe biden was elected the 46th president. >> we did it. we did it, joe. >> reporter: with kamala harris making history as the first female, black and south asian vice president. >> i kamala harris -- >> reporter: she initially focussed on the immigration crisis but found her voice when roe versus wade was overturned. >> and, when congres passes a law that restores the reproductive freedoms of roe, our president, joe biden, will sign it. >> reporter: and, as the 2024 presidential election began to heat up, she stayed the course. >> we will win reelection. there is too much at stake, and the american people know it. >> reporter: even after president biden's debate performance against former president donald trump, she stood by biden. >> joe biden is our nominee. we beat trump once. and we're going to beat him again. >> reporter: and president biden

stood by her. >> i know what a black job is. it's the vice president of the united states! >> reporter: but, as president biden drops out of the race, the focus is now on vice president harris. will she be able to win the nomination? and make history again? ed gordon, cbs news, denver. with vice president kamala harris now the most likely contender for the democratic nomination, her first major decision will be to pick a running mate. cbs's weijia jang with some possible names that could join her on the ticket. >> reporter: vice president kamala harris returned to washington saturday night after a packed week on the campaign trail. now, likely weighing the question of who might return with her. as her running mate. names have already started to surface, including democratic governors who could appeal to swing state voters. roy cooper of north carolina. >> north carolina welcomes back

vice president kamala harris to greensboro to get ready to defeat donald trump in november! >> reporter: who just stumped with harris in his state on thursday. pennsylvania's josh shapiro and andy beshear of kentucky. harris could also tap a member of the biden cabinet, senator amy klobuchar says there are several great options. >> now we're going to have a whole new game, an entirely new ticket. and i think, again, you want no have someone for this job that one, she trusts. we know how important that is, how presidents and vice presidents have worked together in the past. number two, you want to have someone who knows how to govern, who could step into the job. >> reporter: harris, a former district attorney from san francisco has a liberal voting record that could be balanced with a more moderate vp pick. some have speculated whether governor gretchen whitmer could make the first all-woman ticket in history. >> i love gretchen whitmer.

she's been my friend not just for a few years but for decades. but i think she means it when she says she's not a candidate for any office this year. >> reporter: vice president kamala harris is scheduled to campaign in wisconsin, indiana and massachusetts this week. the biden campaign chair told staff in an all hands on deck call that harris is the nominee. weijia jang, cbs news, washington. when cbs news roundup continues after the break, we'll hear from voters around the country, what do they think about president biden's decision not to run? [inspirational music] ♪♪ ♪♪ ♪♪ ♪♪

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presidential race has american voters talking. cbs's jim axelrod takes the temperature of this new political reality. >> reporter: in the summer of surprises, this was another weekend of bold-faced headlines to be digested by voters, like richard freeman in ohio, a democrat. >> i think it's a good decision. i think he didn't have a chance against trump. too many people were concerned about his age, which i was, too. >> reporter: this retired bar owner in michigan had wanted to see the president drop out ever since the debate. >> yes, yes. after seeing him, how bad he's been failing, health wise, i think it's a good thing that he did drop out. >> reporter: the latest cbs poll of registered voters overwhelmingly showed most americans did not think mr. biden has the mental and cognitive health to serve as president. >> well, i can't say that i'm too fully, fully surprised, but i mean, i honestly didn't, i didn't think that was going to happen. but, you know, just hearing it now, it makes sense.

>> reporter: from coast-to-coast. from suburban new york city. >> i'm disappointed, because i felt like he was pushed out. and i really felt like the democrats should have stood behind him. >> reporter: to democrats in philadelphia. >> i think it's a good decision. i think they will be better suited by some new blood that will come to the democratic party. >> reporter: to republicans sweating it out in phoenix. there were a lot of feelings about joe biden ending his campaign. but not a lot of surprise. >> i just didn't feel like he was mentally capable to run this race, and also, i mean, yes, i am republican, but i also felt like it was also to a disadvantage to him and his party to also stay running. >> that was jim axelrod reporting. the impact of president biden's decision reaches far beyond the u.s. border. cbs's ian lee reports on what world leaders are saying. >> a dramatic turn of events tonight in the race for the u.s. presidency. >> from fighting the next

election. >> the u.s. president, joe biden -- >> reporter: president biden's seismic announcement drew quick international reaction. britain's prime minister keir starmer said he looks forward to continuing to work with him, while praising what he describes as biden's remarkable career. israel's president posted praise for biden and his suppor for the country over the decades. russia took a more muted response, saying it's following developments. while the czech prime minister hopes that a good president emerges from two strong and equal candidates. world leaders will want to tread a fine line when praising biden's term in office, so as presidential nominee, donald trump. president biden made his most recent appearance on the world stage less than two weeks ago at a nato summit in washington. but the chaotic pullout from afghanistan by american forces will likely cast a shadow over biden's foreign legacy. although the president will

probably be remembered most for his staunch support for ukraine. the country's president, volodymyr zelenskyy, posted his gratefulness to biden and his leadership in ukraine's fight for freedom, while also praising bipartisan support in the united states. ian lee, cbs news, london. there's a lot more ahead on cbs news roundup. talenti salted caramel truffle layers, with creamy salted caramel gelato. -bradley. -it's cookies. -i can see the cookies, the jar is see-through. -i knew that. -i knew you knew that. talenti. raise the jar. i would've called yesterday. -i knew that. but... -i knew you knew that. i could've called yesterday. but... i should've called yesterday, but... would've, could've, should've.

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the demand for artificial intelligence is expected to significantly increase the need for energy in the u.s. this year and next. experts forecast the demand will strain the nation's aging power grid and create more planet warming emissions. in our series, "climate watch", senior national and environmental correspondent ben tracy traveled to google data center to learn how they're preparing. >> these fans are cooling our data centers. >> reporter: on a rooftop near reno, nevada, amanda wanted us to see these whirling fans. they're cooling these endless rows of servers and miles of cable. the arteries of the internet inside a google data center. >> it's hard to imagine that there is a physical location where the internet lives. but this is it. >> reporter: this is everything

from like somebody's doing a google search. somebody's watching a cat video, and it's all coming through here? >> absolutely. it's all that and more. >> reporter: her job is to find more juice to keep the company's power-hungry machines humming. a single data center can use as much power as 80,000 u.s. homes. >> it's going to take innovation to really think about how are we going to scale this faster, to keep up with the pace of growth. >> reporter: the nation p's roughly 2700 data centers are mostly run by big tech firms and consume more than 4% of all electricity in 2022. that's projected to more than double to 9% by 2030. it's already taxing the nation's aging power grid. and the demands of artificial intelligence are just beginning to grow. a chatgpt gequery uses nearly 1 finals the amount of electricity

as a typical internet search. >> it's a real challenge. as we look to the next decade, those demands continue to grow. and the real challenge is figuring out how we can do this in a way that meets our climate goals. >> reporter: google's planet warming emissions rose by 13 pst l13% last year. the company has vinvested heaviy in wind and solar. 60% of the time its operations run on clean energy. when the sun isn't shining and wind isn't blowing, data centers still rely on dirty fossil fuels that contribute to climate change. so big tech is scrambling to bring more clean power to the grid. >> we can develop large projects that will really move the needle on climate change. >> reporter: he is ceo of an energy company that is partnering with google to boost geothermal power, harnessing

heat from deep inside the earth. >> right now we're about the 12,200 feet. by the time we get there, the temperature ses is over 400 deg fahrenheit. >> reporter: right now, geothermal accounts for less than 1% of the electricity in the u.s. >> we think it can be as much as 20% of the u.s. electric grid. >> reporter: they plan to use the power to help run nevada data centers and eventually others around the world, aiming to eliminate the use of coal and gas by 2030. >> we need something that has that reliability that works 24/7 to get us all the way there. >> reporter: so, when the sun is s not shining and the swwind is n blowing, this is still cranking. blowing, this is still cranking. “the darkness of bipolar depression made me feel like i was losing interest in the things i love. then i found a chance to let in the lyte.” discover caplyta.

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you just have to dive a little deeper. >> this specific statue is lafayette and george washington. >> reporter: these are scouts of america. boy scouts in paris. past members of their troupe plotted out a 10.5-mile trail, hitting stops of importance to americans and the french. >> it's a great way to bond with other scouts and other americans out here, you know, with history. >> reporter: stretching from the troek darrow to the champs-elysees. stops on the walking tour include this quarter-sized replica of the statue of lib irrelevant, which was gifted to the united states by france in the 1880s. and here, tucked behind weeds and wildflower, a statue of ben franklin. he was sent to france at the start of the american revolution and was key to securing french

support for the war back home. >> we honor him, because he's what has built theis massive alliance and holds these countries together 250 years later. >> reporter: other landmarks may be 45harder to spot, at least a first. under signs for a wework mark plaques for what was once thomas jefferson's home. >> you can see the building has changed just a little bit. >> reporter: oh, just a little. >> still, the plaque reminds us he used to be here. >> reporter: despite the physical change, the diplomatic foundation established by franklin and jefferson endures today. and these scouts could be part of that future. they're quite proud to attend the same parisian high school secretary of state antony blinken attended when his family moved to the city. do we have any future diplomats or secr or secretaries of state here? >> get to college first.

>> reporter: whether they make a career or not, the troupe leader hopes they have a greater appreciation. >> we just had mother's day in france. and he wrote, mom, you gave me just the right amount of americanism. and i thought that was sweet, because i thought, oh, good, my son at least can say he's a bit of an american, even if he never actually lived in america. >> reporter: a cultural connection, as we walk a path together as allies. >> that was ed o'keefe reporting, and this is cbs news roundup.

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it's monday, july 22nd, 2024. this is "cbs news mornings." bowing out. in an unprecedented move, president biden announces he's dropping out of the race for the white house less than four months before the election. why he says it's time to stand