The Original Sin co-author discusses the former president’s decline and why it still matters amid Trump’s chaos.

Right-wing pundit Megyn Kelly on Tuesday grilled CNN anchor Jake Tapper over what she claimed was his role in covering up former President Joe Biden’s mental decline while in office. His new book, Original Sin,

Jake Tapper and Alex Thompson's book has already generated a national debate about whether the White House deceived the public about the president's cognitive state and how Biden's late exit from the race undermined the Democratic Party's chances of stopping Trump.