‘Conspiracy’: Biden's doctor refuses to answer any question on ex-president's health; pleads Fifth Amendment

Kevin O'Connor, ex-White House doctor, declined to answer questions about Joe Biden's cognitive health. He invoked his Fifth Amendment right. James Comer, Oversight chairman, alleges a cover-up. Comer suggests a conspiracy. Interviews with former Biden aides are scheduled. The panel aims to assess if others were administering the presidency. Ashley Williams' interview is next. The investigation continues to unfold.