Former President Barack Obama has also endorsed Vice President Harris.
Vice President Kamala Harris wrapped up what has been a whirlwind week in the presidential race with her campaign saying Sunday it has raised more than $200 million in less than a week.
On Thursday night, Harris met with Israeli Prime Minister Benjamin Netanyahu and took the lead in addressing the public about their discussions.
Harris has secured commitments from enough delegates to become the presumptive nominee if they all honor their commitment when voting, according to ABC News reporting.
Former House Speaker Nancy Pelosi endorsed Vice President Kamala Harris for president on Monday.
"Today, it is with immense pride and limitless optimism for our country's future that I endorse Vice President Kamala Harris for President of the United States," she wrote in a statement.
Michigan Gov. Gretchen Whitmer, speaking to a local station's reporter on Monday, said she would not take the vice presidency if offered and that she does not plan on leaving Michigan.
"No. I am not planning to go anywhere,” Whitmer said when asked if she is prepared to take the vice presidency if it were to be offered to her.
When asked to confirm that, if offered the position, she would not take it, Whitmer said, "I am not leaving Michigan. I am proud to be the governor of Michigan. I have been consistent. I know everyone is always suspicious and asking this question over and over again; I know you're doing your job. I am not going anywhere."
-ABC News' Rick Klein
Major Democratic donor, businessman and one-time presidential candidate Michael Bloomberg is urging the Democratic Party to take a step back and "take the pulse of voters" before determining "who is best positioned to win in November," saying "the decision is too important to rush."
"Democrats now have a chance for a fresh new start, and while some elected leaders and party officials make their endorsements, there are still four weeks before the party's more than 4,000 delegates convene in Chicago," Bloomberg posted Monday on X.
"That is more than enough time for the party to take the pulse of voters, especially in battleground states, to determine who is best positioned to win in November and lead the country over the next four years," Bloomberg continued. "We don’t need to get a resolution right away, but we do need to get it right. The decision is too important to rush, because the election is too important to lose."
Bloomberg also praised President Joe Biden for stepping down, calling it "an act of selflessness that only a great patriot would do."
-ABC News' Peter Charalambous and Soorin Kim
Vice President Kamala Harris on Monday is making her first public appearance since Biden dropped out of the 2024 race and endorsed her.
Harris is giving remarks at an event celebrating the NCAA championship teams Monday morning on the South Lawn of the White House. She is filling in for Biden, who is recovering from COVID.
"I wanted to say a few words about our president. Joe Biden's legacy of accomplishment over the past three years is unmatched in modern history," Harris said at the top of her statement. "In one term, he has already surpassed the legacy of most presidents who have served two terms in office."
Harris didn’t specifically address her own candidacy, but said she was grateful for Biden's service to the country.
"I am firsthand witness that every day our president, Joe Biden, fights for American people. And we are deeply, deeply grateful for his service to our nation," she said.
-ABC News' Sarah Beth Hensley
