Former national security adviser John Bolton characterized Marco Rubio's new dual role as secretary of state and national security adviser as “absolutely bizarre," suggesting during an interview that it could make President Trump look bad.

“An organized White House would announce the successor immediately. And the fact that they didn't have a successor showed they weren't ready to make the announcement and to have Marco Rubio serve on an interim basis is just absolutely bizarre,” Bolton, a frequent Trump critic, said during a Thursday appearance on CNN.

On Thursday, Trump altered the makeup of his national security team,

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