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Senator Bob Corker (R-Tenn.) appeared to criticize President Trump when asked about a reported feud between the president and Secretary of State Rex Tillerson.

Earlier Wednesday, both Tillerson and Trump denied the feud, allegations of which gathered steam after a report surfaced that the former Exxon-Mobil CEO privately referred to Trump as a "moron."

Corker was asked if he spoke to Tillerson recently, replying that he won't comment on private conversations.

"I think Secretary Tillerson, Secretary [of Defense James] Mattis, and Chief of Staff [John] Kelly are those people that help separate our country from chaos," Corker added.

"I support them very much," Corker said, later declaring he had no knowledge of any "moron" comments.

Corker said Tillerson is in an "incredibly frustrating place," adding that he doesn't get the adequate level of "support" that he should.

Prior to announcing that he will not seek reelection in 2018, Corker said in the wake of the Charlottesville, Va. violence that Trump "has not yet been able to demonstrate the stability nor... competence that he need to."

Corker added at the the time that he still hopes Trump will be a successful president, according to NPR.

Trump responded on Twitter to Corker's August remark, saying Tennessee is "not happy" with the senator's job performance.

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