The former “Apprentice” contestant claims in her new book — “Unhinged: An Insider’s Account of the Trump White House” — that she first noticed the president’s “mental decline” while watching his 2017 interview with Lester Holt, in which he admitted to questioning former FBI head James Comey in private about whether he was being investigated for alleged ties to Russia.

“While watching the interview I realized that something real and serious was going on in Donald’s brain,” Manigault-Newman says. “His mental decline could not be denied.”…

“Throughout this erratic and contradictory interview, I kept thinking, ‘Oh no! Oh no! This is bad!” says Manigault-Newman. “Donald rambled. He spoke gibberish. He contradicted himself from one sentence to the next. ”