According to The Wall Street Journal, aides to Biden colluded to prevent the public from knowing just how substantial his mental decline was,

and that the effort to cover it up actually began during his 2020 presidential campaign and continues to this day.

“To adapt the White House around the needs of a diminished leader, [aides] told visitors to keep meetings focused. Interactions with senior Democratic lawmakers and some cabinet members—

including powerful secretaries such as Defense’s Lloyd Austin and Treasury’s Janet Yellen—were infrequent or grew less frequent,” the WSJ reported.