i'm brianna keeler the democratic national convention in chicago. and my good friend and colleague, boris sanchez is in washington and hours from now, vice president harris will be walking out onto the stage behind me to formally accept her party's nomination for president she'll be laying out her vision for america. and when she does, she is expected to be greeted by many delegates wearing white already seen them filter in here to the arena even hours before it's of course the color of the women's suffrage movement, a nod to harris potentially becoming the first woman to lead the country. and we're also learning some new details about harris schools with her speech tonight, cnn's eva mckend is with us now. tell us what you're learning. eva brianna, we know to the extent that she could be she has been hunkered down,

. >> i'm brianna keeler as the democratic national convention in chicago, and my colleague and friend boris sanchez is in washington. it is day one for the democrats, week long nomination celebration of vice president kamala harris. and over the next several hours thousands in the party will gather here in the united center to celebrate here erez and also to salute president joe biden as he delivers tonight's keynote speech and passes the torch to her. the president is expected to talk about his 50 year legacy of public service and to make the case for the harris-walz ticket. first lady jill biden and hillary clinton will also take the stage with just 78 days until the election. the democrats arrive here on the windy city with a strong breeze at their backs as new polling shows, harris with a narrow lead nationally, the goal now is to build on the momentum and introduce harris her vision to the country. cnn's mj lee is joining me now. i know you're learning some new details about what the first lady is going to be saying, which i think is particularly interesting tonight, what have yo

i'm brianna keeler and my good friend and colleague boris sanchez, is in washington. it is day three here at the convention and tonight the party's vice presidential nominee will give the biggest speech of his political well career, minnesota governor tim walz is looking to introduce himself to the country as democrats hope the military veteran, former teacher and football coach can strike a chord with american voters. bill clinton, nancy pelosi, aunt, and pete buttigieg will also be at the podium tonight. no doubt tonight's lineup has a tougher back to follow after tuesday's fiery speeches from barak and michelle obama and second gentleman, doug emhoff. heartfelt pitch for his wife vice president kamala harris. now there was also that ceremonial role calls slash dance party that featured celebrity cameos. and this a surprise performance by none other than lil jon with me now is cnn national politics correspondent, eva mckend. i don't think we saw that one coming last night, but we do know that tim walz is on tap tonight. what do you know about his speech, brianna, th

i'm brianna keeler at the democratic national convention in chicago. boris sanchez is in hours, delegates from across the country will begin gathering at the united center here this week long event, capping off a whirlwind month for harris who rose to the top but the ticket after president biden's decision to step aside from this race, he will be giving tonight's keynote address, passing the torch to his running mate from four years ago, the president expected to focus on their achievements together. an argue that the harris-walz ticket is the natural successor assessor to carry the party's agenda forward. then there was first lady jill biden and also hillary clinton, who will be taking the stage tonight as well here with me now is cnn chief national affairs correspondent jeff zeleny, waiting for tonight to quote j.lo, what are we waiting for? >> will look, we're waiting for president biden to walk into this convention hall. and i am imagining is a lot of applause that joe biden has ever received. these democratic delegates and party officials are grat

i'm brianna keeler and my good friend and colleague boris sanchez, is in washington. it is day three here at the conventionnd

. >> this is cnn hello hi brianna, keeler at the democratic national convention in chicago. and my colleague and good friend boris sanchez, is in washington. it is day three of the convention. and tonight the spotlight is on governor tim walz here on the coming hours walls will face a major test when he takes the stage to introduce himself is the parties vice presidential nominee. it's a moment, the caps off a whirlwind month for walls who was relatively unknown until kamala harris rose to the top of the ticket and picked him as her running mate. and he's got a lot of work to do here, yes. to prove himself on the national stage he has to help the party convert this newfound energy the end momentum into votes. it's going to be a packed night with other powerhouse speakers. you'll see former president bill clinton take the stage transportation secretary pete buddha, judge, and former house speaker nancy pelosi. let's go to cnn's mj lee, mj, a big night ahead for walls. what are you expecting? >> yeah. briana, you know, at this point in time, most americans know very little abo

. >> i am brianna keeler and my colleague and good friend, boris sanchez, is in washington, the dnc is entering day three with vice presidential nominee tim walz is the headliner. he's going to try to keep the energy flowing after last night's fiery speeches from barak and michelle obama. before walz introduces himself to the nation tonight, prominent democrats like bill clinton, nancy pelosi, and pete buttigieg will also take the stage. and we have learned that parts of tonight, the part of tonight's program we will focus on protecting democracy. it's going to focus heavily on the january 6 insurrection and trump's role in trying to overturn the 2020 election results. cnn's eva mckend is with us now. eva, what are the stakes for governor walz tonight what brianna, this is governor walz, his opportunity to introduce himself to the country before the biggest audience that he will ever have in his political career, the campaign telling us that he will uplift his small-town values, that he will detail his career starting with a teacher and then becoming a congressman, governor, and now ru

. >> i'm brianna keeler in chicago and my good friend and colleague boris sanchez, is in washington. and all week we have heard from democrats and some independents and republicans to why they think vice president kamala harris should be the 47th president of the united states? tonight she will take the stage to make her own case. we're just getting some new details about harris's main objectives when she does give her acceptance speech tonight last night, it was her running mate, minnesota governor tim walz giving his own heartfelt address to this crowd, introducing himself and his family to the nation jen, with this a viral moment from his son gusts while he framed democrats is the party of freedom. eva mckend are national politics correspondent is here with us, with cnn special correspondent jamie gangel eva, what are you hearing about harris's plans tonight? >> well, brianna cnn learning that to the extent that she can be she's he's been hunkered down. she hasn't been at the convention every night because she has been preparing for this big moment. we know that she's going to lea