Update (2000ET): Things are escalating quickly with reports now that Biden could leave the race as soon as tomorrow.

WaPo reports that Nancy Pelosi believes Biden can be convinced to drop out soon with Fox Business reporting that President Biden is expected to drop out as early as tomorrow...

Multiples sources outline the apparent state of play on Biden at this time:

Plans to announce withdrawal from nomination as early as this weekend, with Sunday most likely

Jon Meacham polishing up remarks

Biden with NOT resign the presidency

Biden will NOT endorse Harris

Open convention with Harris and about 3 others

Super delegates will not be allowed to vote on 1st ballot

Harris is vetting at least four possible running mates, including Andy Beshear and possibly Shapiro

Biden's odds of getting the party nomination have now utterly collapsed, barely above those of Newsom as Kamala is the lead...

Update (1130ET): It appears the situation is escalating fast in Democratic Party central this morning.

Axios reports that President Biden may decide to drop out of the presidential race as soon as this weekend, according to several top Democrats who believe the rising pressure will persuade the incumbent.

The 81-year-old president, now self-isolating with COVID, remains publicly dug in.

But privately he's resigned to mounting pressure, bad polls, and untenable scrutiny making it impossible to continue his campaign, the Democrats tell us.

Others are reporting similar narratives and timelines building...