Joe Biden’s stumbling performance in the US presidential debate has sparked alarm among Democrats – but could he be replaced against his will and how might that work?
A national US party has never tried to force an election candidate to step down in the modern era and their rules make it almost impossible to do so.
The issue came before both parties in 2016, but neither took action and there’s currently no known effort to force Mr Biden to give way.
It would mean Democrat officials overturning the results of the state primaries – the votes that took place earlier this year that confirmed Mr Biden as the overwhelming pick for November’s election.
The 81-year-old won virtually all the delegates – and they are now set to go through the customary process of rubberstamping his nomination at the Democratic National Convention in August.
There are ways to replace a nominee if they die, resign or are incapacitated, but forcing Mr Biden out would mean delegates choosing another candidate.
It appears highly unlikely, as they were chosen in the primaries because of their loyalty to the president and with the trust that they would vote for him at the convention.
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2:43
Biden v Trump: Highlights from the debate
However, there is a potential “loophole” in that Democrat rules allow them to “in all good conscience reflect the sentiments of those who elected them”.
So if concerns about his performance and mental acuity reach critical level this could be a way forward.
Watch a special programme with reaction to the US presidential debate on The World with Yalda Hakim on Sky News from 6pm
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Biden appears to stall during debate
What if Biden withdraws himself?
This is the only plausible scenario for the Democrats to choose a new candidate to take on Donald Trump.
Mr Biden has repeatedly dismissed this option during other turbulent times, but if he changed his mind he could simply serve out the remaining months of his presidency.
Such a U-turn would create a frenzy among Democrats as there’s no protocol in place for him or the party to choose a new candidate before August’s convention.
It takes a majority of the party’s 4,000 or so delegates to win the presidential nomination – and Mr Biden secured about 3,900 of them in the primaries.
The president would have some influence over his pledged delegates, but ultimately they can vote as they please – so it could become a ‘free for all’ with candidates campaigning aggressively to win them over.
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1:32
Kamala Harris says Biden had a ‘slow start’.
If the president decides to pull out after the convention takes place, the chair of the party can call a special meeting of around 500 members.
They can – in theory – choose a new nominee via a simple majority vote.
However, such a process would likely be far more turbulent with behind-the-scenes jockeying and public campaigning.
If Mr Biden withdrew even closer to the 5 November election, it could raise constitutional, legal and practical concerns.
For example, voting papers have to be printed well in advance and it might not be possible to change them in time.
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If Mr Biden were to resign immediately as president, Kamala Harris would automatically succeed him – but would not also become Democratic nominee.
She might be politically favoured if he ditched his re-election bid, but Mr Biden’s delegates would not transfer to her as of right, and it would be a level playing field with the other hopefuls.
Who could be favourite if Biden steps back?
Two frontunners – if they chose to put themselves forward – could be California governor Gavin Newsom, 56, or Michigan governor Gretchen Whitmer.
They didn’t enter this year’s primaries but have both been talked about as potential Democrat nominees in future.
For now at least, Mr Newsom appears to be sticking firmly behind the president.
Image: Gavin Newsom (right) is often talked about as a potential future nominee. Pic: AP
He told reporters after Thursday’s debate his party “could not be more wholly unified behind Biden” and he shouldn’t step aside.
Mr Newsom has been California governor since 2019 and was also San Francisco’s mayor for seven years. Before that, he founded a winery in the state’s upmarket Napa Valley.
Ms Whitmer, a lawyer and former prosecutor, was the Senate’s first female Democratic leader and became governor in 2018.
The 52-year-old also served as co-chair of Joe Biden’s 2020 election campaign.
Image: Gretchen Whitmer has been talked about as a possible future nominee. Pic: Reuters
She’s previously said she would have no interest in replacing Mr Biden in this year’s election – and backed him again on Friday.
“Joe Biden is running to serve the American people. Donald Trump is running to serve Donald Trump,” she said.
However, if the president pulls out of his own volition, could she change her mind?
Democrats including Minnesota’s Dean Phillips and Jason Palmer, who actually beat Mr Biden in American Samoa, might also try their hand.
They were his main rivals in the primaries but only got a couple of delegates each, so would likely struggle to pull in enough support.
Donald Trump has announced he’s suing The New York Times, just days after he threatened to do so over its reporting into his ties to Jeffrey Epstein.
In a post on his Truth Social platform, the US president said he had “the Great Honor of bringing a $15bn Defamation and Libel Lawsuit” against “one of the worst and most degenerate newspapers in the History of our Country”.
Mr Trump’s lengthy post – made late on Monday – is focused on his belief the outlet is bias towards the Democrats, citing the endorsement of Kamala Harris in last year’s presidential election.
It has “been allowed to freely lie, smear, and defame me for far too long”, he added.
The lawsuit – which has been brought in Florida – comes after Mr Trump raised the prospect of suing the newspaper last week for publishing articles about alleged notes he had sent Epstein.
The collection of birthday tributes include a hand-drawing of a woman’s body, signed “Donald”. They also contain a picture of Epstein holding an outsized cheque, signed by “DJTRUMP”.
Mr Trump has maintained the note wasn’t written by him, claiming the handwriting and signature do not match his own.
Image: An alleged note written by Trump for Epstein. Pics: US Congress/NBC News
Mr Trump has repeatedly denied any impropriety involving Epstein, whom he once counted as a friend.
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1:52
Handwriting expert analyses signature on Epstein card
Responding to his initial threat to sue, a spokeswoman for The New York Times said last week: “Our journalists reported the facts, provided the visual evidence and printed the president’s denial. It’s all there for the American people to see and to make up their own minds about.
“We will continue to pursue the facts without fear or favour and stand up for journalists’ First Amendment right to ask questions on behalf of the American people.”
Donald Trump has said he is sending the National Guard into the city of Memphis to fight crime, with Chicago likely to be next.
The Memphis Safe Task Force will be a “replica of our extraordinarily successful efforts” in Washington DC, the US president said on Monday, as he continues to use military force to battle urban crime.
Officials from various federal agencies – including the FBI, Drug Enforcement Administration (DEA), Immigration and Customs Enforcement (ICE), and the US Marshall’s service – will also go to Memphis, as Mr Trump said: “We’re sending in the big force now.”
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Trump state visit: How will the UK protect him?
Unlike Mr Lee, Illinois’ Democratic governor, JB Pritzker, and the city’s Democratic leaders, have criticised the idea, insisting the action isn’t needed.
Shortly before Mr Trump’s announcement, the White House said on social media that Memphis’ total crime rate was higher than the national average and suggested it had increased since last year, unlike national rates.
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But the city’s police force recently reported decreases across every major crime category in the first eight months of 2025 compared to the same period in previous years.
Overall crime hit a 25-year low, while murder hit a six-year low, police said.
Persistent gun violence has plagued Memphis for years, with a record total of more than 390 murders in 2023.
The president hinted other cities, such as St Louis, Baltimore, and New Orleans, could follow.
JD Vance has paid tribute to Charlie Kirk while hosting his show and claimed “left-wing extremism” was a factor in his assassination, while the FBI director said DNA matching the suspect’s was found on evidence at the scene.
“The last several days have been extremely hard,” he said, adding that: “Everyone in this building owes something to Charlie… I don’t think I’m alone in saying that Charlie was one of the smartest political operators I’ve ever met.”
During his opening monologue, Mr Vance said “we have to make sure that the killer is brought to justice,” before claiming that left-wing extremism was part of the reason behind Mr Kirk’s death.
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1:07
US vice president carries Charlie Kirk’s coffin
“We have to talk about this incredibly destructive movement of left-wing extremism that has grown up over the last few years,” he said, “and I believe is part of the reason why Charlie was killed by an assassin’s bullet.
“We’re going to talk about how to dismantle that and how to bring real unity that can only come when we tell the truth and everybody knows that they can speak their mind without being cut down by a murderer’s gun.”
Later, while speaking with White House deputy chief of staff Stephen Miller, Mr Vance said the Trump administration is trying to stop “festering violence from the far-left from spreading”.
More on Charlie Kirk
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And in his closing remarks, the vice president claimed without evidence that “Liberal billionaires rewarded” and funded outlets that published criticisms of Mr Kirk after his death.
He also claimed, again without evidence: “People on the left are much likelier to defend and celebrate political violence. This is not a ‘both sides’ problem.”
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1:34
Kirk suspect ‘not cooperating’
FBI: Suspect linked to evidence at scene
Tyler Robinson, 22, from Washington in Utah, was arrested after a manhunt on suspicion of killing Mr Kirk, and is due to appear in court on Tuesday.
He is being held without bail on suspicion of aggravated murder, a felony discharge of a firearm causing serious bodily injury, and obstruction of justice.
The motive of the shooting is unclear, while experts said engravings left on ammunition at the scene of the shooting were “extremely online”.
But Utah’s Republican governor, Spencer James Cox, previously claimed in an interview with The Wall Street Journal that he had been “deeply indoctrinated with leftist ideology”.
And on Sunday’s NBC News Meet The Press show, Mr Cox said the suspect was in a relationship with his roommate, who was in the process of transitioning – something unnamed officials confirmed to the channel. So far, no official has yet said whether the relationship is relevant to their investigation.
Later on Monday, FBI director Kash Patel told Fox News that evidence found at the scene had been linked to Robinson via DNA sequencing.
He told Fox and Friends that DNA matching Robinson’s was found on a towel allegedly wrapped around a firearm that was discarded in a wooded area near the university – stressing no other evidence from the scene had been processed as of yet.
Mr Patel added that the suspect’s actions were premeditated, and repeated the claim that the killing was based on his political beliefs.
“His family has collectively told investigators that he subscribed to left-wing ideology,” he said, “and even more so in these last couple of years, and he had a text message exchange… in which he claimed that he had an opportunity to take out Charlie Kirk, and he was going to do it because of his hatred for what Charlie stood for.”
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The vice president and Mr Kirk were close friends, with Mr Vance saying in his first tribute that “he was a true friend” and that “he didn’t just help us win in 2024, he helped us staff the entire government”.
The vice president also said on the Rumble show that “I owe so much to Charlie”, adding that Mr Kirk texted friends that Mr Vance should be the vice presidential nominee for Donald Trump in the run-up to last year’s presidential election.
“It’s such an honour to have people show me that Charlie said ‘we want JD to be the VP nominee’,” he added.
“Do you know what it means to me that such a good guy, such a good friend, such a lion and visionary of our movement was advocating for me?”