Sen. Mark Warner (D-Va.) predicts that former national security adviser Mike Waltz will face a “brutal” confirmation hearing as he was removed from his post and nominated to be the Trump administration’s United Nations ambassador.

Warner joined CNN’s “State of the Union” on Sunday, where host Jake Tapper asked about the recent shuffle in the administration, after it was revealed Waltz was ousted as national security adviser following the Signal group chat scandal, among other reported tensions.

“Do you have faith in him to be UN........

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