The Trump administration is turning up the heat on former President Joe Biden’s doctor, who has so far shied away from responding to questions about Biden’s fitness for the presidency. The House Committee on Oversight and Government Reform is conducting a wide-ranging investigation into the Biden White House’s efforts to minimize awareness of Biden’s declining mental and physical condition.

The White House counsel Tuesday said ex-Biden aide Neera Tanden is not shielded by executive privilege and thus must provide “unrestricted testimony” on former President Joe Biden’s mental acuity. The decision was issued before Tanden appeared before the GOP-led House Oversight Committee for closed-door testimony Tuesday to give insights for the panel’s investigation of Biden’s cognition and use of autopen.

Executive privilege normally keeps White House communications secret. But both Trump and Biden waived the privilege during investigations of each other.

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.

House Oversight Chairman James Comer (R-KY) said the committee wants answers about “who was calling the shots” during Biden’s final two years in office.

The Trump White House has decided that nine former senior Biden aides won't be protected by executive privilege during their interviews for a congressional probe into Joe Biden's mental fitness for office.

Boosting the GOP investigation, Trump has waived executive privilege for eight former Biden administration officials to testify to Congress, including Bernal, according to a White House official ...