Could Democrats replace Biden as their nominee?

Washington is abuzz with fresh concerns about President Joe Biden’s fitness after a special counsel report released Thursday raised questions about his memory.

But Democrats have rallied around Biden and despite the fantasies of some pundits and anxious Democrats, the president is almost certain to be the Democratic Party’s nominee as long as he wants.

Both parties have moved away from the era when insiders in proverbial smoke-filled rooms could be kingmakers at the national conventions, and Biden has dominated every primary he’s competed in thus far.

No prominent Democrats have called for Biden to step aside and there's no known serious conservations about it.

“The Democratic Party is united in supporting President Biden, who will be his party’s nominee this fall and will make Donald Trump a loser a second time this November,” said Biden campaign spokesperson Daniel Wessel in a statement to NBC News.

In the modern era, a national party has never attempted to adversarially replace their nominee in part because they know it would likely fail. The issue came before both parties in 2016, but neither took such drastic action.

The “Access Hollywood” tape provoked some prominent Republican leaders to call for ditching Donald Trump, but then-RNC Chairman Reince Priebus said, “No such mechanisms exists."

Meanwhile, then-interim DNC Chair Donna Brazile wrote in her memoir that she “nearly replaced" Hillary Clinton after the candidate collapsed during a Sept. 11 memorial service, before ultimately concluding, “I could not make good on my threat to replace her.”

Still, the DNC Charter does make provisions in case the party’s nominee is incapacitated or opts to step aside, and an anti-Biden coup at the convention is theoretically