U.S. President Donald Trump and Stephen Hahn, Director of the Food and Drug Administration participate in the daily coronavirus task force briefing at the White House on April 24, 2020 in Washington, DC.Drew Angerer | Getty ImagesWhite House chief of staff Mark Meadows told the head of the Food and Drug Administration to submit his resignation if the agency doesn’t clear Pfizer’s coronavirus vaccine for emergency use by day’s end, The Washington Post reported Friday.The warning led FDA Commissioner Stephen Hahn and the agency to accelerate its timetable for clearing America’s first Covid-19 vaccine from Saturday morning to later Friday, …
