In Silicon Valley, Democrats Are Invigorated by Biden’s Withdrawal Elon Musk, Marc Andreessen and others have endorsed Donald J. Trump. But President Biden’s withdrawal has re-energized Democrats across the tech industry and may blunt that momentum.

Sen. Joe Manchin Will Not Run in 2024 Presidential Election Manchin has flirted with running his own presidential bid as an independent.

Six Key Democratic Governors Endorse Kamala Harris Gretchen Whitmer, JB Pritzker, Tim Walz, Wes Moore, Andy Beshear and Tony Evers all backed Ms. Harris, cutting off nearly all potential avenues to a challenge for the nomination.

Trump Keeps Attacking Biden, Even After President Exits Race In his posts since Mr. Biden’s announcement, Mr. Trump has so far not taken direct aim at Kamala Harris, who is seeking the Democratic nomination.

Harris Raises More Than $50 Million as Biden’s 2024 Race Exit Unleashes Cash Wave The funds will help rebuild a Democratic war chest that was at risk of getting depleted in the weeks of uncertainty after President Biden’s poor debate, as big donors put a pause on fund-raising.

Biden’s Exit From the Election Confirms TV is Still a Big Political Arena President Biden’s decision to bow out after a disastrous debate confirms that in a TikTok era, TV is still the biggest political arena.

Here’s what to know about the hearing. Kimberly A. Cheatle will appear before a House committee amid criticism over the way her agency handled security for the rally at which former President Donald J. Trump was injured by a would-be assassin.

Many Elected Democrats Quickly Endorsed Kamala Harris. See Who Did. A majority of Democrats in Congress and nearly half of Democratic governors have come out in support of Ms. Harris’s candidacy.

With Biden Out, What Happens Next? Here’s What We Know. Democrats are gaming out scenarios, some of them more likely than others. One thing is clear: Kamala Harris has the inside lane.

E.P.A. Announces $4.3 Billion in Funding for 25 Climate Projects States, tribes, local governments and territories sent in proposals aimed at cutting greenhouse gas emissions.

A New Candidate Must Now Defend Biden’s Legacy Abroad More than any election in decades, this one will be marked by starkly different approaches to an era of simultaneous confrontations, from China to Russia to the Middle East.

If Harris Is the Nominee, It Still Won’t Be Easy to Beat Trump Biden’s age hasn’t been the only concern voters have been telling pollsters about in recent years.

Who Might Kamala Harris Pick as Her VP? Here’s a List of Candidates. The first big decision for Ms. Harris: Who will be her running mate if she is nominated by the Democratic Party to run for president in August.

Secret Service Director, Kimberly Cheatle, to Face Questions on Agency’s Failures in Hearing Kimberly A. Cheatle will appear before a House committee amid criticism over the way her agency handled security for the rally at which former President Donald J. Trump was injured by a would-be assassin.

Vance to Hit Campaign Trail in an Upended Race JD Vance will hold events in Ohio and Virginia, his first solo campaign stops since becoming Donald Trump’s running mate.

How Kamala Harris Rose as a California Moderate Ms. Harris, who was born in the state, amassed power through her work as a prosecutor.

Investors React to Election Upheaval, Reassessing Their Political Bets A new Democratic ticket could alter investors’ perceived election odds, with implications for stocks, bonds, the dollar and more.

Democrats Weigh the Pros and Cons of Kamala Harris’s Candidacy In a sprint of a race, Ms. Harris is poised to attack Donald Trump on his felonies and, in a 2024 twist, his age, but Republicans will be galvanized to fight her, too.

Why Obama Hasn’t Endorsed Harris The former president has positioned himself as an impartial elder statesman above intraparty machinations and was neutral during the 2020 Democratic primaries.

Democrats Raise $30 Million Online After Biden’s Exit, ActBlue Shows Sunday was the single biggest day for online Democratic donations in years — a significant show of enthusiasm after weeks of sluggish fund-raising.