A sign of maturity is gracefully letting go of the past — accepting the consequence of a loss, whatever that may be, learning from it, and finding a way to move on. Hillary Clinton, former secretary of state and the Democratic nominee for president in 2016, has shown herself incapable of doing that.

Instead of taking personal responsibility for her failed presidential bid, she has blamed sexism, misogyny, James Comey, Vladimir Putin, Barack Obama, Bernie Sanders, even the media — you name it. And she continues to heap scorn on the “basket of deplorables” — a term she coined — revealing her contempt for supporters of President Donald Trump, meaning Americans who were not enlightened enough to vote for her (half the country, in other words).

Hillary Clinton was predicting “doom and gloom” on Tuesday if Democrats don’t win big during the midterm elections in November.

“What I worry about, Rachel, is that after this election this president is going to wholesale fire people,” Clinton said on MSNBC’s “The Rachel Maddow Show,” as NBC and other outlets have reported.

Clinton continued, “And if we [Democrats] don’t have one or both houses of Congress in place, he will be even more uncontrollable and unaccountable. He will fire people in the White House, he will fire people in this administration who he thinks are crossing him, questioning him, undermining him.”

The first woman in American history to be a major party presidential nominee, also said an anonymous opinion piece in The New York Times was “horrifying,” and raised the likelihood that Trump might try a purge of staff he suspects of working against him, according to reporting from NBC News.

She also aimed some comments at citizens: “At some point the American public has to say, number one, I may disagree with Democrats, I may disagree with the direction of this administration, but one thing I believe in is we have to have checks and balances — that’s why we have to vote for Democrats in November.”

Selective amnesia notwithstanding, her remarks don’t diminish the dark blemishes in her role as secretary of state — notably the Benghazi attack, during which a U.S. ambassador and three other Americans in Libya were killed.

“Clinton lost the 2016 election because she is a corrupt and unaccomplished fraud. But this is already well known by most people not named Hillary Clinton,” according to The Weekly Standard.

But Clinton also addressed the topic of the Brett M. Kavanaugh confirmation — of course, she did.

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Clinton argued that “we should give the benefit of the doubt to the court and the country” — instead of continuing with the confirmation process after a 35-year-old accusation was leveled at the judge by a California psychologist.

Maddow asked her if Democrats should play the kind of hardball that the GOP played in terms of blocking former President Barack Obama’s Merrick Garland nomination — or “just go through regular order with whoever Trump has to put up next if the Kavanaugh nomination fails.”

Clinton responded by calling for neither “unilateral disarmament or Defcon-10.”

No — she wants an investigation.

“I remember back in the Thomas hearing, when Sen. [Robert] Byrd was asked what he was going to do, and he said in a situation like this we should give the benefit of the doubt to the court and the country,” Clinton said.

“And that’s what the Republicans should be doing right now, from the White House down Pennsylvania Avenue to the Senate — give the benefit of the doubt to the court and the country. And that means [to] have an investigation that will then lead to a hearing that will then lead to a vote if appropriate.”

See a portion of Clinton’s remarks in the video below.

Elizabeth Economou is a former CNBC staff writer and adjunct professor. Follow her on Twitter.