House Republicans are seeking to hear from several top Biden White House officials, including former Chief of Staff Jeff Zients and former Press Secretary Karine Jean-Pierre, as part of their investigation into the ex-president's health.

President Donald Trump’s White House has waived the protections of nine aides to former President Joe Biden ahead of their Congressional hearings on the former president’s fitness while he was in office,

Republicans on the House Oversight Committee issued a subpoena Thursday to Anthony Bernal, a senior aide to former first lady Jill Biden, as part of their rapidly expanding investigation into former President Joe Biden's mental fitness while in office.