Tapper and Thompson's book, "Original Sin," paints a damning portrait of Biden's team covering up his diminished state before the election.

Biden reportedly failed to remember top aides’ names and once didn’t recognize George Clooney. Aides also worried he would need a wheelchair.

Former President Joe Biden was reportedly shielded from his Cabinet for much of his final two years in the White House, with secretaries claiming anonymously in a new book they were “kept at bay.” Anonymous Cabinet secretaries told Jake Tapper and Alex Thompson about their concerns regarding Biden for the journalists’ upcoming book,