It's cringe-worthy stuff to listen to. Here's how Sen. Kelly Ayotte (R-N.H.), who's locked in a tight reelection battle, reacted:

And here's Rep. Joe Heck (Nev.), who is trying to succeed retiring Senate Minority Leader Harry Reid (D):

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And Sen. John McCain (Ariz.), who's trying to win reelection to a sixth term:

Sen. Mark Kirk (R-Ill.), one of the most vulnerable incumbents this election, already unendorsed Trump back in June and tweeted this Friday:

It's not just vulnerable Republicans shoving Trump aside. Senate leadership is right behind them.

Sen. John Thune (S.D.), the Senate's No. 3, tweeted this Saturday afternoon:

Amid the dizzying number of statements Republican lawmakers released Friday night condemning Trump, Senate Majority Leader Mitch McConnell's (R-Ky.), stood out for its frankness:

“Trump needs to apologize directly to women and girls everywhere, and take full responsibility for the utter lack of respect for women shown in his comments on that tape.”

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Add it all up, and it looks as if Senate Republicans are jumping ship from their nominee as they try to keep control of the Senate. But they'll have to swim at their own risk.

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For one, ditching Trump could cost candidates such as Ayotte and Heck their elections. Up until this point, they had been counting on Trump's passionate base to help them win their razor-thin races in swing states. That's why they have repeatedly — often painfully — reaffirmed their support for Trump, despite all the heartaches he has caused them. (See Ayotte saying last week “absolutely” Trump is a role model, then having to scramble to put together a TV ad to walk it back.)

Heck got booed by some supporters Saturday when he un-endorsed Trump:

Then there's the question of which voters Senate Republicans' sudden 180 on Trump will win over.

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Many independent and GOP voters — especially white women — have been turned off by Trump for months now. Senate Republicans will have to figure out a way to answer this question from voters: Why is hearing Trump's self-described “locker room banter” more than a decade ago any more offensive than when he suggested banning Muslims from the country, or when he accused a federal judge or not being able to do his job because of his “Mexican” heritage?

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After each of those gasp-inducing comments from Trump, these Republican candidates maintained they would still be voting for Trump. It's a reality Democrats are all too happy to spend the next few weeks reminding voters about.

"Joe Heck supported Donald Trump as he bullied, demeaned, and disrespected women on the campaign trail," Dawn Laguens, the head of Planned Parenthood's political arm, said in a statement Saturday. " ... Joe Heck is not brave, rather he’s a desperate politician trying not to lose."

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Here's the biggest problem of all for Senate Republicans who want to ditch Trump: They'll still have to share a ballot with him. And as the rules stand now, unless Trump gets incapacitated, dies or willingly steps down — “never,” he told The Post's Robert Costa on that last option — Trump will be the Republican nominee 30 days from now.