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Vice President Kamala Harris will goad former President Donald Trump on his home turf Tuesday with an ad attack montage of former staffers who now renounce him.

Harris' new campaign ad will air in Palm Beach, Fla. — home to Mar-a-Lago — Philadelphia and nationwide on Fox News hours before the pair's first presidential debate in Pennsylvania, the campaign announced.

Former high-ranking national security officials have endorsed Kamala Harris over Donald Trump, and one of them explained to MSNBC's "Morning Joe" why the Republican nominee is a threat to the nation.

Retired U.S. Navy admiral Steve Abbott, who served as deputy Homeland Security secretary under George W. Bush, was among the bipartisan group National Security Leaders for America, which consists of more than 700 former and retired senior military leaders and public servants who denounced the Republican nominee and recommended the election of Harris to succeed Joe Biden as the next president.

MSNBC's Joe Scarborough warned that Donald Trump is already ramping up his election lies over fraud because he doesn't believe he'll win fair and square.

The Republican nominee repeatedly suggested over the weekend that the election would be stolen from him after making similar claims before the 2020 vote, and the "Morning Joe" host said Trump was setting the stage to attempt to overturn his potential loss in November.

Conservative Newsmax host Lidia Curanaj apologized to viewers over the weekend after revealing she voted for President Barack Obama.

The admission came during a Sunday interview with former GOP candidate Larry Elder. Curanaj argued that Democratic presidential nominee Kamala Harris had misled the public about her record.

Republican National Committee (RNC) co-chair Lara Trump insisted Sunday she had "no idea" after appearing on podcasts that Russia allegedly funded.

In an interview on NewsNation, host Chris Stirewalt asked Trump if the RNC was concerned after the Department of Justice revealed a Russian influence operation to push Kremlin-friendly messages in conservative media.

A former deputy communications director for Donald Trump got an unintentional laugh out of several CNN "State of the Union" panel members on Sunday morning after boasting that the former president would come to Tuesday night's debate with Vice President Kamala Harris ready to get into the weeds about their contrasting policies.

Host Dana Bash kicked off the segment by asking CNN contributor Bakari Sellers if he had any advice for the VP before she faces off with Trump, with Sellers bluntly joking, "I don't know if I have any insight, but if they are listening to me or anyone else, I would say you cannot get into a pissing match with Donald Trump because he just brings a more full bladder."

After adding, "I think is going to be a very good night for her, regardless of the spin afterwards, I think people are going to see a clear contrast," former Trump aide Bryan Lanza weighed in by stating: "I think you've seen the polls recently that came out today even the reports that came out last week, she's not the change agent and she's now being viewed as radically liberal."

ALSO READ: Is Trump's dementia the real reason behind his flip-flopping?

"That's what Donald Trump's going to talk about," Lanza predicted. "He's going to compare his record as president to Joe Biden's and Harris' record and just show how dangerously liberal these policies have affected everyday families. And you'll probably see the most content heavy with respect to policy that we've ever seen in a debate. I think — ."

"From whom?" Sellers interrupted.

"From Trump," Lanza shot back which led to Sellers laughing out loud as the camera pulled back showing former Trump White House advisor Alyssa Farah Griffin also laughing.

Sellers returned to the moment later, telling the panel, "I kind of laughed when my good friend Bryan talked about the fact that it's going to be policy substantive."

"I mean, direct attacks against who he is, not only the character of the man which we know is lacking, but also where he lacks substantively on policy," he continued. "We just heard this week a response on how are you going to do affordable childcare? That response made absolutely no sense to anyone. It didn't make sense to our children, right? I mean it was just a word salad. He is diminished, he's not the same person he was even when he debated Hillary Clinton."

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Alina Habba, an adviser and attorney for Donald Trump, downplayed allegations that Russia had paid right-wing influencers by trying to link Vladimir Putin to Democratic presidential nominee Kamala Harris.

During a Sunday interview with Habba on Fox News, host Jason Chaffetz said he doubted the Department of Justice's claims that Russia paid conservative podcasters.

During his appearance on CNN's "State of the Union," host Dana Bash put Sen. Tom Cotton (R) on the spot for having taken part in an interview with a far-right influencer who has been accused of taking Russian money to push Kremlin talking points.

Moments after the far-right Cotton dismissed former vice president Dick Cheney crossing the aisle to endorse Democrat Kamala Harris over Donald Trump, Cotton also claimed a Justice Department allegation that Russia has been paying off right-wing pundits was much ado about nothing.

Arkansas Gov. Sarah Huckabee Sanders (R) defended former President Donald Trump's Jan. 6 attempt to overturn the 2020 presidential election by claiming that Americans who opposed his effort were "in the minority."

During a Sunday interview on ABC's This Week program, host Jonathan Karl told Sanders that former Rep. Liz Cheney (R-WY) was supporting the Democratic presidential nominee because she believed Trump was "unfit for office."

Fox News hosts lashed out at Democratic presidential nominee Kamala Harris after she visited a Pennsylvania spice shop that called out the "risks" associated with electing Republicans.

"Vice President Harris is hunkering down in Pittsburgh as she pushes for unity while visiting a spice shop known for mocking Republicans," Fox News host Will Cain announced on Sunday's edition of Fox & Friends.