Ron Klain tells author Chris Whipple then president could not focus and obsessed about foreign leaders ahead of debate that ended his campaignIn a new book, Joe Biden’s former White House chief of staff paints a devastating picture of the then US president’s mental and physical state before the debate with Donald Trump that sent his 2024 campaign into a tailspin, resulting in his relinquishing the Democratic nomination to Kamala Harris.Ron Klain served Biden from 2021 to 2023, then returned to his side last June to run debate preparation as he had for numerous Democratic presidents before. Continue reading... ...read more read less