Who is Ashley Williams, the longtime Biden aide grilled by House GOP investigators Friday?

Former White House aide Ashley Williams is the latest ex-Biden administration official to appear in the House Oversight Committee’s probe.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 whether any executive actions were commissioned via autopen without the president's full knowledge. Biden allies have pushed back on those claims.Williams is the third member of Biden’s White House inner circle to show up, though she said nothing to reporters on her way i