Schumer has long been viewed with skepticism by the Left, the same voters who helped propel Mamdani to a decisive win against former Gov. Andrew Cuomo.
Anthony Bernal, former aide to ex-First Lady Jill Biden, was to appear before the House Oversight Committee on Thursday for the Biden autopen interview.
Robert Garcia's win as the top Democrat on Oversight is a win for progressives, but also signals the party isn't ready to take a "loud and proud" approach fully.