House Oversight Committee Chair James Comer, R-Ky., is investigating allegations that Biden's former top White House aides covered up signs of his mental and physical decline while in office, and ...

Republicans are investigating whether former President Biden's mental decline was concealed while in office, with calls to subpoena administration members after aide pleads the Fifth.

Anthony Bernal is the second member of the Bidens’ inner circle to invoke his right to protect himself from self-incrimination.