President Biden and Fox News White House correspondent Peter Doocy had a heated exchange Thursday at the end of a speech in which Biden announced a vax-or-test-mask-and-distance requirement for millions of federal workers. As Biden left the podium in the East Room of the White House, Doocy reminded the president that he had said, “if you are fully vaccinated, you no longer need to wear a mask.” “No I didn’t say that,” Biden responded. “I said if you’re fully vaccinated in an area where you do not have – well, let me clarify that –“ Doocy interrupted to clarify his...