But he said the nomination would be over if it was revealed Kavanaugh had lied to the committee in his testimony.
If they don't have the votes, the nomination fails.
Harcourt said they signed out of concern about a rush to judgment, in the belief that for the Senate to elevate Kavanaugh "without full information and deliberation to the Supreme Court would undermine the respect owed" to the institution.
Speaking at a campaign rally Tuesday night, Trump cast doubt on Ford's testimony before the Senate Judiciary Committee by mocking her for not knowing the answers to questions such as how she had gotten to the high school party where she says Kavanaugh sexually assaulted her, an allegation he has repeatedly denied. 'I don't know. I don't know. I don't know. Upstairs, downstairs - where was it?
"I had one beer - that's the only thing I remember", Trump said. I don't remember. Where is the place? "And a man's life is in tatters". Jeff Flake, R-Ariz., said that ridiculing "something this sensitive at a political rally is just not right". "I just say it's kind of appalling".
Sanders told reporters Wednesday at a rare White House briefing that "the president was stating the facts" at a MS rally Tuesday night.
A Harvard Law School spokesman confirmed that Kavanaugh would not return to teach.
"So President Trump went through a factual rendition, that I didn't particularly like, and I would tell him to knock it off".
Following Ford's testimony last Thursday, Trump called her a "very credible witness". "Dr Ford identified other witnesses to the event, and those witnesses either refuted her allegations or failed to corroborate them".
The fast-moving story around embattled Supreme Court nominee Judge Brett Kavanaugh continues to unfold.
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But what about the home run totals? Colorado won two of three in Chicago in late April/early May. And they beat Washington in a grueling Division Series past year , winning Game 5 on the road.
Trump ordered the FBI investigation last Friday, limiting its duration to no more than a week. I don't care how many members they chase, how many people they harass here in the halls, we will not be intimated by these people, how many people they harass here in the halls. Sens. Susan Collins (R-Maine), Lisa Murkowski (R-Alaska), Jeff Flake (R-Ariz.), Joe Manchin (D-W.Va.) and Heidi Heitkamp (D-N.D.) all say they're undecided on Kavanaugh, though an inconclusive Federal Bureau of Investigation report could be the impetus for any of these senators to back him. With Republicans defending majorities in the House and Senate next month, officials cast Trump's visit as an attempt to get ahead of a potentially perilous situation.
Kavanaugh's truthfulness to Congress - including how he represented his alcohol consumption - is also under the scanner, with a former Yale classmate on Monday accusing the judge of misleading lawmakers when he said he never experienced blackouts.
Opposition among Americans to Kavanaugh has increased since last week's hearing, Reuters/Ipsos polling data showed on Wednesday.
"It's possible that they have conflicting accounts, I hope that's not the case", Corker said.
Disquiet about the President's intervention was not limited to those Republican senators who are undecided about Kavanaugh.
Amid McConnell's remarks Wednesday night, Trump tweeted that there was "such enthusiasm and energy for Judge Brett Kavanaugh".
White House spokeswoman Sarah Sanders also defended Mr Trump, telling a press briefing that the President was not concerned the comments may have endangered the votes of key senators.
Ford told Senate Judiciary Committee that, despite some memory lapses, she was "100 percent certain" it was a drunken Kavanaugh who pinned her to a bed, groped her, and put his hand over her mouth to muffle her screams for help.