Conservative commentator George Will dubbed Vice President Pence "the worst person in government" in an op-ed published in The Washington Post on Wednesday.

Will condemned Pence for his praise of former Maricopa County Sheriff Joe Arpaio at a rally last week in Tempe, Ariz. Arpaio, who is running for retiring Sen. Jeff Flake Jeffrey (Jeff) Lane FlakeJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden Maybe they just don't like cowboys: The president is successful, some just don't like his style MORE's (R) Senate seat, was convicted of contempt of court last year for refusing to cease the racial profiling of Hispanic people at traffic stops for immigration checks.

Will questioned Pence's support for Arpaio, whom he called a "criminal" and "a grandstanding, camera-chasing bully and darling of the thuggish right."

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"[W]hat was the practicality in Pence’s disregard of the facts about Arpaio? His pandering had no purpose beyond serving Pence’s vocation, which is to ingratiate himself with his audience of the moment," Will wrote.

During the rally, Pence called the ex-sheriff a "great friend" of Trump and the White House. Arpaio is a "tireless champion of strong borders and the rule of law,” Pence added, prompting cheers from attendees.

The columnist and frequent Trump critic went on to say that the president "knew" Pence could "become America’s most repulsive public figure."

"Because his is the authentic voice of today’s lickspittle Republican Party, he clarifies this year’s elections: Vote Republican to ratify groveling as governing," Will said.

Arpaio was pardoned by President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE earlier this year and filed an appeal in January to have his conviction cleared.

The former sheriff is facing off against former state Sen. Kelli Ward and Rep. Martha McSally Martha Elizabeth McSallyTumultuous court battle upends fight for Senate Grassley, Ernst pledge to 'evaluate' Trump's Supreme Court nominee The Hill's Campaign Report: Biden goes on offense MORE in the August GOP primary for Flake's seat. The winner will likely face Democratic Rep. Kyrsten Sinema in November.