Sen. Johnny Isakson Johnny IsaksonLoeffler paints herself as 'more conservative than Attila the Hun' in new campaign ad Georgia GOP Senate candidates cite abortion in pushing Ginsburg replacement Loeffler: Trump 'has every right' to fill Ginsburg vacancy before election MORE (R-Ga.) in an interview published on Wednesday blasted 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’s recent attacks on the late Sen. John McCain John Sidney McCainCindy McCain endorses Biden: He's only candidate 'who stands up for our values' Biden says Cindy McCain will endorse him Biden's six best bets in 2016 Trump states MORE (R-Ariz.), telling The Bulwark he plans to publicly condemn them.

“I just want to lay it on the line, that the country deserves better, the McCain family deserves better,” Isakson told The Bulwark, a conservative website that has been critical of Trump. “I don’t care if he’s president of United States, owns all the real estate in New York, or is building the greatest immigration system in the world.”

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“When the president is saying that he doesn’t respect John McCain and he’s never going to respect John McCain and all these kids are out there listening to the president of the United States talk that way about the most decorated senator in history who is dead it just sets the worst tone possible,” Isakson told A.B. Stoddard, who wrote the piece for The Bulwark.

Trump sent a series of tweets over the weekend targeting McCain, who died of brain cancer in August.

On Monday Trump renewed the attacks during an Oval Office meeting with Brazilian President Jair Bolsonaro, calling McCain’s vote against repealing and replacing ObamaCare “disgraceful” and adding that “he was never a fan” of the Arizona senator and never would be.

Isakson, the chairman of the Senate Veterans Affairs Committee, told Stoddard he felt compelled to “elevate” McCain.

Isakson’s criticism comes after Sen. Mitt Romney Willard (Mitt) Mitt RomneySenate GOP aims to confirm Trump court pick by Oct. 29: report The Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Senate GOP sees early Supreme Court vote as political booster shot MORE (R-Utah) took to Twitter on Tuesday to push back against Trump’s remarks.

“I can’t understand why the President would, once again, disparage a man as exemplary as my friend John McCain: heroic, courageous, patriotic, honorable, self-effacing, self-sacrificing, empathetic, and driven by duty to family, country, and God," Romney tweeted.

Sen. Lindsay Graham (R-S.C.), who was one of McCain’s closest friends in the Senate, also defended him on Twitter over the weekend. “Nothing about his service will ever be changed or diminished,” Graham tweeted.