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Liz Cheney -

Former Republican congresswoman Liz Cheney, daughter of former Vice President Dick Cheney, endorsed Harris in September. As one of Trump's most vocal Republican critics, Cheney has consistently spoken out against his influence on the party.

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Dick Cheney -

Former Vice President Dick Cheney endorsed Harris alongside his daughter Liz, calling Trump the greatest threat to the US. He cited Trump's 2020 election actions and urged voters to defend the Constitution by supporting Harris.

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Adam Kinzinger -

Former Illinois congressman Adam Kinzinger spoke at the Democratic National Convention (DNC) in support of Harris, stating, "I'm proud to be in the trenches with you as part of this sometimes awkward alliance to defend truth, democracy, and decency."

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Stephanie Grisham -

Former White House press secretary and Melania Trump's chief of staff, Stephanie Grisham, resigned after the Capitol riot and has since become a vocal critic of Trump. Grisham also endorsed Harris at the DNC.

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Olivia Troye -

Olivia Troye, who served as a national security advisor to Vice President Mike Pence, also spoke at the DNC. Addressing fellow Republicans, she stated, "You aren't betraying your party; you're standing up for our country."

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Anthony Scaramucci -

Former White House communications director Anthony Scaramucci, once a prominent figure in Trump's administration, now endorses Harris, viewing the GOP as a "Trumpist party."

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Geoff Duncan -

Georgia's former lieutenant Governor Geoff Duncan endorsed Harris in an op-ed for the Atlanta Journal-Constitution. He also spoke at the DNC.

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Alberto Gonzales -

Former Attorney General Alberto Gonzales, who served under George W. Bush, expressed his support for Harris in a Politico op-ed. He cited Donald Trump as a major threat to the rule of law.

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William Webster -

Webster served as CIA and FBI director under Presidents Reagan and George H.W. Bush. He signed a letter with over 100 GOP former national security officials endorsing Harris.

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Staff of President Ronald Reagan -

Seventeen former staff members of President Reagan endorsed Harris, stating that Reagan himself would have supported her. The group includes Ken Adelman (pictured), former US ambassador to the UN, B. Jay Cooper, a special assistant to Reagan, and Pete Souza, chief White House photographer for both Reagan and Obama.

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John Negroponte -

The director of National Intelligence under George W. Bush, John Negroponte, signed a letter endorsing Harris. The letter notes that while the officials respect that many Republicans will back Trump over Harris, they warned against Trump's chaotic and unethical behavior.

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Jeff Flake -

Former Arizona Senator Jeff Flake endorsed Harris, highlighting the importance of unity over division. Drawing from their time together in the Senate, Flake praised her character and dedication to upholding the rule of law.

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Cassidy Hutchinson -

Cassidy Hutchinson, a former White House Republican aide who testified against Trump during the January 6 hearings, announced her intention to vote for the Harris.

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Jimmy McCain -

Jimmy McCain, the son of late Senator John McCain, announced in early September that he would vote for Harris. He emphasized the honor of military service, contrasting it with Trump's lack of experience and past disrespect towards his father.

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Barbara Comstock -

Former Republican congresswoman Barbara Comstock of Virginia endorsed Harris in mid-August, stating, "After January 6, after Donald Trump has refused for four years to acknowledge that he lost, and his threats against democracy, I think it's important to turn the page. That's why I will be voting for the vice president."

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Chuck Hagel -

Chuck Hagel, a former senator from Nebraska and secretary of defense during the Obama administration, endorsed Harris.

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Denver Riggleman -

The former Republican congressman from Virginia endorsed Harris in early August, stating, "I was heartbroken and horrified by how close we came to losing our democracy on Januray 6, due to one man — Donald Trump. I've seen with my own eyes how Trump's thirst for power, revenge, and retribution is his real motivation, and that's why I cannot stand by while he tries to destroy our country."

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Christine Todd Whitman -

The former New Jersey governor and administrator of the US Environmental Protection Agency during the George W. Bush administration endorsed Harris in early August.

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J. Michael Luttig -

The conservative legal scholar and retired federal appeals court judge endorsed Harris in August over "the war on America's Democracy that was instigated by the former president and his allies on January 6, 2021." Luttig was appointed by George H.W. Bush.

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Bill Weld -

The former Massachusetts governor endorsed Harris in early August. He worked as an assistant US attorney general under President Ronald Reagan. 

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Christopher Shays -

The former congressman from Connecticut said, "I am thrilled to support Kamala Harris. She's a very good candidate, and has the possibility and potential of being an excellent president. Obviously, time will tell on that."

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Joe Walsh -

Former Illinois Congressman Joe Walsh visited New Hampshire in late August to endorse Kamala Harris's campaign.

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Ray LaHood -

Ray LaHood, who served as transportation secretary in the Obama administration, endorsed Harris in early August.

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Susan Molinari -

The former Representative from New York endorsed Harris in August. "She's not crazy," she said.

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John Giles -

The Republican mayor of Mesa, Arizona, endorsed Harris in an op-ed for the Arizona Republic, writing, "Now more than ever, we need leaders who will put country over party." 

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Ana Navarro -

The Republican co-host of ABC's The View and CNN commentator hosted an evening at the DNC. Navarro recently traveled to Florida as part of a bus tour advocating for reproductive freedom.

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Jim Edgar -

Jim Edgar, the former governor of Illinois, endorsed Harris in early August.

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Former Republican staffers -

Over 200 former staffers from the administrations of Presidents George H.W. Bush and George W. Bush, as well as from former Arizona Senator John McCain and Utah Senator Mitt Romney, expressed their endorsement of Harris in an open letter.

Sources: (CBS News) (Rolling Stone) 

See also: These celebs publicly endorse Kamala Harris for president

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