Mike Donilon, former President Joe Biden's senior adviser, is set to appear for a closed-door interview on Thursday.

A longtime aide to Joe Biden sat for a transcribed interview in House Republicans’ probe of the former president’s potential cognitive decline and possible efforts to conceal it from the public.

Mike Donilon, former senior adviser to Joe Biden, testified before the House Oversight Committee Thursday morning that he had no knowledge of the Biden administration’s use of the autopen. Appearing before the House Oversight Committee’s sprawling investigation into the former president’s inner circle,