First, from wsws.org: ‘Biden racks up decisive victories over Sanders in Michigan, Missouri and Mississippi primaries’, Niles Niemuth, 11 March 2020

“Biden addressed supporters at his campaign headquarters in Philadelphia Tuesday night, speaking as though the contest for the nomination was over. He spoke directly to the Sanders campaign, praising Sanders personally and urging his supporters to join a united Democratic Party effort to defeat President Trump in November. In a chilling passage of a very brief speech, Biden declared that a Democratic president would “make clear to our adversaries that we will stand fast in restoring world order. That’s an American responsibility.” This underscores the real axis of the campaign that the Democrats intend to wage in 2020: to brand Trump as a Russian stooge who is responsible for the disruption of US-led alliances like NATO and to reassert the role of Washington as the leader of world imperialism.

Sanders returned to his home in Burlington, Vermont, where he held no campaign events and did not speak to supporters or the media about the outcome of Tuesday’s voting. Both Sanders and Biden cancelled Tuesday night rallies scheduled for Cleveland, Ohio, after the Ohio governor asked them not to hold large indoor events because of the coronavirus emergency.

The results place the Sanders campaign on life support with virtually every Democratic Party officeholder and operative lining up for Biden as the presumptive nominee. Biden extended his lead among pledged delegates to the Democratic nominating convention to about 150, roughly 800 to 650.
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In each of the three states where vote counting was completed Tuesday night, voter turnout was up from 2016, but Sanders' vote totals were down compared to his numbers four years ago. This contrast was sharpest in Michigan, where voter turnout rose more than 10 percent, from 1.09 million in 2016 to 1.21 million this year, but Sanders’ vote dropped from 599,000 in 2016 to 576,000 in 2020.

The perspective of the Sanders campaign, that he could transform the Democratic Party with an influx of new, younger voters, has proven an abject failure. In barely two weeks, the Democratic Party leadership has intervened decisively to block Sanders and elevate Biden, the most right-wing of the major Democratic presidential hopefuls, into a virtually insurmountable position as frontrunner for the nomination.
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It is expected that once all the delegates are awarded from Tuesday night that Biden will have significantly increased his lead over Sanders, with the likelihood of even bigger gains in next Tuesday’s primaries in four large states—Florida, Illinois, Ohio and Arizona—which account for 577 delegates combined.

Even as results were still coming in Tuesday night, leading figures in the Democratic Party were voicing public demands for Sanders to wrap up his campaign and for the Democratic National Committee (DNC) to bring the primaries to a quick end.

South Carolina Representative James Clyburn, the House majority whip, speaking to NPR shortly after the polls had closed in Michigan, Missouri and Mississippi, called for the DNC to cancel all future planned debates if Biden swept Tuesday’s races.

[You know what Malcolm X would have called James Clyburn.]

“I think when the night is over, Joe Biden will be the prohibitive favorite to win the Democratic nomination,” Clyburn declared. “If the night ends the way it has begun,” he continued, then it would be time to “shut this primary down,” with the DNC stepping in to call off the debates.

Clyburn, whose endorsement of Biden was critical to his victory last month in South Carolina and the resurrection of his moribund campaign, expressed concern that further debates and primary contests would be bad for Biden because he “gets himself in trouble.”

The DNC has announced Tuesday that the next debate, scheduled for Sunday, March 15 in Phoenix, Arizona, would be held with no audience or press present as a precaution against the spread of coronavirus. The two remaining candidates who qualify under the DNC’s rules, Sanders and Biden, if the debate goes forward after Tuesday’s results, would appear on stage together facing a panel of moderators and an empty auditorium.'

the 45 or so comments were varied, with many expressing how sad they felt, some maintaining the votes were rigged compared to the exit polls (i'm quite agnostic on that, myself), the fucked up App for the Iowas caucuses, and so on. But I'd like to feature a few for your consideration:

Portions of a very long comment by:
Charlotte Ruse
‘Unfortunately, for all of Bernie’s enthusiastic supporters 2020 was a redux of 2016. Amnesia, initially sets in caused by the initial excitement. Bernie’s campaign overwhelms those yearning for change. Sanders is cognizant of how young voters and the marginalized are economically suffering. He knows exactly what to say to arouse an audience of thousands.
Devoted crowds eagerly rally around Bernie anticipating the upcoming primaries, believing he’ll win everyone of them. After all, how could anyone be against a message promoting social justice.

And lo and behold, right out of the box the security state shenanigans begin. A “Shadow app” surfaces in Iowa, followed by a narrow win in New Hampshire. And although Bernie won the popular vote in the first two primaries he still comes out the loser to CIA Pete. However, not to be deterred Bernie won the Nevada caucus in a landslide. That was the moment when security state needed to make its move. It was now or never. These ghouls could not let Bernie pick up any more momentum. If they did, it would be too late to stop him–Milwaukee could turn into a bloodbath. It was time for the intelligence agencies to take a stand.
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‘As it turned out, the security state’s narrative was easy to pull off because Sanders is weak, lacks courage, and was never in it to win it. He never fought back against the DNC. He never called out the cheating in Iowa. There were thousands of volunteers that would be willing to protest on his behalf. Timid Bernie just let it go. There were other things showing Bernie’s lack of interest in winning. He stupidly embraced the Russiagate concocted narrative and then was victimized by it himself. He refused to tear into Biden describing in detail how every piece of reactionary legislation Joe passed was based on payoffs he’d received for either his son or his brother. In South Carolina, Bernie never used the millions donated to play video clips proving Biden is a warmongering racist.

Instead Bernie, kept saying “Biden is my good friend” or “Biden can beat Trump.” WTF, if Biden can beat Trump then why are you running? Are you campaigning for Biden?

The final nail was Tulsi’s tweet asking for Biden and Bernie’s support for her to right to participate in the next debate. Yang and Marianne Williamson tweeted yes of course, but Bernie was silent. On subsequent mainstream media news appearances Bernie totally ignored Tulsi’s candidacy. That was it–Bernie is a lackey–completely intimidated by the DNC.
Naturally the DNC didn’t want Tulsi near the debate stage–she’s the bravest of the lot. Tulsi would have proved Biden was a crook and a war criminal. Tulsi presence would be a boom for bernie, but Bernie didn’t want that since he was in cahoots with the DNC.

And in the end, that’s what it was always all about NOTHING. Bernie is the Tammy and Jim Baker of politics a prophet of false hope. He gathers up all the guiless and gullible and then tosses them into the lion’s den.

In Biden’s case it’s easy to know why the slithering DC establishment gang embraced him with open arms—they all wanted to come back home…
Here are some of the people Biden is considering for senior positions, per Axios:
“Former New York Mayor Mike Bloomberg is a top contender to head up the World Bank. Bloomberg endorsed Biden immediately after dropping out of the 2020 race.

Sen. Elizabeth Warren of Massachusetts as Treasury secretary. Warren dropped out of the race last week after disappointing losses on Super Tuesday but hasn’t yet made an endorsement. Axios reported that Warren’s name had been floated as part of an effort to unite the fractured Democratic Party around Biden. Some of Biden’s advisers have also suggested Warren as a vice-presidential candidate for that reason.

Pete Buttigieg, the former mayor of South Bend, Indiana, as the US ambassador to the United Nations or the US trade representative. Buttigieg also endorsed Biden shortly after dropping out.
Some Biden advisers see Sen. Kamala Harris of California as a
contender for attorney general if she’s not on the ticket.
JPMorgan Chase CEO Jamie Dimon and Bank of America Vice Chairman Anne Finucane have both been floated for positions at the Treasury Department.
The Biden campaign is also considering a slew of veterans from the Obama administration for key positions. Among those being considered:

Former Secretary of State John Kerry may reprise his role or take on a Cabinet position focused on combating climate change.

The former national security adviser Susan Rice may be nominated for a State Department role.
Former Deputy Attorney General Sally Yates is a contender for attorney general. Every loathsome contemptible neoliberal military interventionist is waiting in the wings to continue where Obama left off……..’

AVAЙT GAЯDE manacha • 4 hours ago
Dont worry -- Biden will not win. He's probably further to the right than trump, socially and economically, and especially militarily.

I'm betting that that "dirt" that Trump asked the Ukrainians to find on Biden is just waiting for its moment and will soon be leaked in a devastating crushing blow to Biden -- he will be no more. He's a child rapist mass murdering psychopath -- he's a war criminal -- he's a racist with Real blood on his hands , decades of it -- and everyone already despises him.
If he doesn't get destroyed by Trump -- his dementia will accelerate very soon and he will probably not even make it to the oval office one way or another. But I'm pretty certain that there's no way in hell Biden will beat Trump in the election -- it will be even worse than Clinton's defeat in 2016.

and eric sommers offers this petition at change.org:
‘Biden Must Prove He is Mentally Fit to be President’ (oh, crap; 76 have signed?)

But I remembered how religiously Ronald Reagan's dementia was glossed over, including later by his son: "Yes, he had ALZ during his presidency, but NOT dementia, which is Late Stage ALZ! I did try to find some examples on youtube, but none were terribly probative.

I did find one article the other day seeming to say that the US still is investigting Biden's part o Ukraine play, but I can't find it again, and all external bing hits are behind a paywall for me.

But in any event, even a demented Trump would wipe the debate floor with a demented Biden. Trump's more of a shoot-from-the-hip anarcho-Conservative like this fictitious MP candidate played by Emma Thompson. Throw buzz-word word-salads out (but with maximum conviction!) ad the audience eats it up. One plan of hers was that every potential voter should be given an IQ test; only those who'd score above 70 would be allowed to vote. It must have been a hella lot of fun for her to play the Grande Dame of the 4-star party (She'd asked in a debate a Q about Israel/Palestine, and she'd answered "What the fuck do I care about that?" (like Jimmy Dore on Modi's pogroms against Muslims)...and the next day's tabloid quoted her, but with **** for 'fuck'; hence: 4-star party.

[video:https://www.youtube.com/watch?v=TelpHHq5H74]

I wish Donald Trump would just be quiet and let the experts do the talking when it comes to the coronavirus. pic.twitter.com/x47PGPls2Y

— Joe Biden (Text Join to 30330) (@JoeBiden) March 11, 2020

Team @JoeBiden + the Yang Gang = unstoppable. pic.twitter.com/9ArvzPfFjz

— Chris D. Jackson (@ChrisDJackson) March 11, 2020

late entry: this just came in with the BAR newsletter: The Corporations and Their Media Strangled Bernie, and Older Black Voters Tied the Knot, Glen Ford, March 12, 2020

on edit: I'd forgotten this article that had migrated to the bottom of my word document:

Are the gloves coming off? Sanders campaign ratchets up the rhetoric (and snark) as Biden surges in primaries‘, 11 Mar, 2020, RT.com

“After a poor showing in the latest primaries, Bernie Sanders’ campaign has adopted a more aggressive approach to highlighting Joe Biden’s shortcomings – ahead of what could be a make-or-break debate for the Vermont senator.”