The Lincoln Project has risen to speak out.

So has a coalition of staffers who once worked for Republican President George W. Bush.

Ditto for any number of conservative thinkers/pundits/commentators.

There might even be some hidden Republican members of the U.S. House and Senate ready to bolt.

What do they have in common? They are speaking collectively against a man who calls himself a Republican, but who has no affiliation, understanding or appreciation of what used to be considered basic Republican Party principles.

Donald J. Trump’s re-election appears to be in trouble … at this moment! Yes, that could change. I mean, this guy has managed to survive some of the more hideous faux paus in recent memory. He has held on to that base of support. He told us he could “shoot someone on Fifth Avenue” and not lose any votes; many of us cringed when he said that, but there is a distressing belief that he might have been correct.

The Lincoln Project, of course, is named after President Lincoln, one of the nation’s great Republican presidents. They used to call the GOP the Party of Lincoln. It has become the Cult of Trump.

The party that once was the champion of civil rights for all Americans, whose senators enabled a Democratic president, Lyndon Johnson, to push landmark civil rights legislation through Congress, has become unrecognizable to President Lincoln. It has coalesced behind an individual with no discernible moral compass, no philosophical guidepost.

Thus, tried-and-true real Republicans are locking arms in the hope of defeating this GOP imposter. Whether they belong to an actual organization such as the Lincoln Project, or are a loosely held gang of former GOP presidential aides, they seem to stand for a single cause: defeating Donald Trump.

What’s more — and this is truly astonishing — they are standing publicly and loudly in favor of a Democratic candidate, Joseph R. Biden Jr. One finds occasionally during every election cycle a notable partisan or two who might abandon the candidate of his or her party, but who cannot endorse anyone on the other side. That’s not happening these days.

My biggest concern at this point — given my own often-stated loathing of Donald Trump — is whether any of this will translate to tangible support when the election rolls around.

I merely want to caution everyone that Donald Trump was losing badly to Hillary Clinton at this point of the 2016 campaign. Then the wheels flew off the Clinton campaign. If there’s a lesson for the Biden team to glean from that effort it is that the 2020 Democratic nominee needs to avoid repeating the goofs that doomed an effort that fooled every political pundit in the land.