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DNC 2024 Day 2 live updates: 'Yes, she can': Obama endorses Harris, blasts Trump

Obama praised President Biden and offered support for Harris.

ByAlexandra Hutzler, Ivan Pereira, Meredith Deliso, and Brittany Gaddy
Last Updated: August 21, 2024, 12:05 AM EDT

Vice President Kamala Harris officially became the official Democratic presidential nominee during the second night of the Democratic National Convention.

The night included a lively and upbeat roll call vote of delegates that featured a DJ, some celebrities and energetic speeches. Also, Harris, who campaigned in Milwaukee, thanked the crowd in a live-streamed message.

Second gentleman Doug Emoff talked about his long relationship with Harris and touted her vision for the country.

But the night's biggest headline was the return of former President Barack Obama and first lady Michelle Obama to the DNC stage. Both stressed what's at stake in this election and pushed Americans to come together to bring the country to a better future.

Latest headlines:

Here's how the news is developing.
Aug 20, 2024, 9:11 PM EDT

California delivers delegates to send Harris over the top in ceremonial roll call

California, Harris' home state, delivered the delegates to send Harris over the top during the ceremonial roll call.

Gov. Gavin Newsom announced that the state is casting its 482 votes for Harris, whom he called a "bright star" whose star has gotten even brighter as she served as the state's attorney general, a U.S. senator and now as vice president.

California Gov. Gavin Newsom joins the California delegation as they cast their votes during the Ceremonial Roll Call of States on the second day of the Democratic National Convention on Aug. 20, 2024 in Chicago.
Justin Sullivan/Getty Images

"Kamala Harris has always done the right thing, a champion for voting rights, civil rights, LGBTQ rights," Newsom said. "It's time for us to do the right thing -- and that is to elect Kamala Harris as the next president of the United States of America."

Harris is already officially the nominee after the DNC held a virtual roll call earlier this month. Still, the symbolism, and the relationship between Newsom and Harris, is significant.

Aug 20, 2024, 9:07 PM EDT

Democrats showing diverse coalition through roll call

Through the ceremonial roll call, showcasing delegates from all corners of the U.S., the Democratic party is "making it clear they are the party that represents the country," White House correspondent MaryAlice Parks told ABC News Live Prime anchor Linsey Davis.

"They are trying to make it clear that they are building a multi-generational, multi-racial coalition," she said.

A general view during the Ceremonial Roll Call of States on the second day of the Democratic National Convention on Aug. 20, 2024 in Chicago.
Brandon Bell/Getty Images

Aug 20, 2024, 8:56 PM EDT

It’s a party in Chicago

Delegates are partying on the convention floor, with hot songs from artists from each state blaring as delegates are cast for Harris.

-ABC News' Tal Axelrod

PHOTO: Delegates hold placards depicting U.S. Vice President Kamala Harris and Democratic vice-presidential candidate Minnesota Governor Tim Walz during Day 2 of the Democratic National Convention, in Chicago, Aug. 20, 2024.
Delegates hold placards depicting Democratic presidential candidate and U.S. Vice President Kamala Harris and U.S. Democratic vice-presidential candidate Minnesota Governor Tim Walz during Day 2 of the Democratic National Convention, in Chicago, Aug. 20, 2024.
Mike Blake/Reuters
Aug 20, 2024, 8:55 PM EDT

15,000 people at Harris rally, campaign says

There are more than 15,000 people at the Harris rally in Milwaukee, which will broadcast into the DNC tonight, according to her campaign.

The crowd was going wild during Gov. Tim Walz's remarks.

People are holding signs that say "Freedom" and some have brought their own handmade signs, including one that says "Choose joy."

The crowd at the Harris-Walz rally in Milwaukee, Wisconsin, Aug. 20, 2024.
Andrew Fies/ABC News

-ABC News' Selina Wang