Senior Democrats close to Joe Biden told his former chief of staff Ron Klain that the then-president was on the decline, ...

FOX News correspondent Aishah Hasnie reports on former Biden chief of staff Ron Klain's testimony in a closed-door House ...

On January. 20, as Donald Trump was preparing to gild the Oval Office, Joe and Jill Biden made their wistful departure aboard ...

In a surprising turn of events, Ron Klain, Joe Biden's former chief of staff, voluntarily faced congressional investigators, ...