Former White House chief strategist Steve Bannon once said he believed former President Donald Trump was suffering from early-stage dementia, according to former 60 Minutes producer Ira Rosen.

Rosen, who was promoting his new book, Ticking Clock: Behind the Scenes at “60 Minutes,” during an interview published Tuesday, writes that Bannon pushed him to write a story about Trump and invoking the 25th Amendment to strip the president of his powers.

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