Adam Schiff, a high-profile Democrat and close Pelosi ally, just called on Biden to drop out

• Rep. Adam Schiff of California called on Joe Biden to drop out of the 2024 presidential race.

• Schiff is the highest-profile Democrat to call on the president to step aside.

• Biden has repeatedly declared that he will remain in the race.

Rep. Adam Schiff of California on Wednesday became the most notable Democrat to publicly call on President Joe Biden to drop out of the 2024 race.

"Our nation is at a crossroads," Schiff said in a statement first reported by the Los Angeles Times. "A second Trump presidency will undermine the very foundation of our democracy, and I have serious concerns about whether the President can defeat Donald Trump in November."

Schiff, who rose to fame leading then-President Donald Trump's first impeachment, is widely favored to win his Senate race this November for the seat once held by Dianne Feinstein. He is also a close ally of Nancy Pelosi, the former House speaker.

Twenty Democratic members of Congress have now publicly called on Biden to drop out. More lawmakers have expressed concern that Trump will win in November. Trump is currently in the best national-polling position of any Republican presidential nominee in over two decades. Some Democrats are fearful that the former president could even be on the path to a blowout win, which could harm Democrats down the ballot.

Like other Democrats, Schiff praised Biden's leadership and said the final decision ultimately rested with him. He also made clear that his party should be focused on one goal: beating Trump.

"Joe Biden has been one of the most consequential presidents in our nation's history, and his lifetime of service as a Senator, a Vice President, and now as President has made our country better," Schiff said.

Schiff's statement underlines that the push to get Biden to step aside remains ongoing. Democrats were mostly silent in the wake of the assassination attempt on Trump. The party has also been trying to project a unified front during the Republican National Convention.

Politico reported that Pelosi has continued to hear out House Democrats who are concerned about Biden's standing. She raised eyebrows when she suggested during an interview that the president hadn't made a final decision. At that point, Biden had repeatedly declared he was staying in the race.

"It's up to the president to decide if he is going to run," Pelosi said on July 10 on MSNBC's "Morning Joe." "We're all encouraging him to make that decision. Because time is running short."

Schiff is very close to his fellow Californian. Pelosi endorsed Schiff over other House Democrats to replace Feinstein. Her support, the San Francisco Chronicle reported, has helped Schiff deflect criticism about replacing an iconic woman when other women were also on the primary ballot. Pelosi also made sure it was Schiff who helped lead Trump's first impeachment, even though such power has historically gone to the House Judiciary Committee.

Amid the continued dissension, the Democratic National Committee indicated that it would proceed with a controversial plan to crown Biden the nominee before the party's convention kicks off next month in Chicago.

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