Three days after President Joe Biden heeded the call of his Party’s leaders and ended his re-election campaign, White House Press Secretary Karine Jean-Pierre blasted Fox News’s Peter Doocy for alleging a long-term “cover-up” of the President’s health had taken place. President Biden, who returned to the White House Tuesday after a week-long slog with COVID, will address the nation Wednesday night in a rare Oval Office primetime speech, to explain his historic and nearly unprecedented decision to exit the race and endorse Vice President Kamala Harris. “It would seem that the White House knew t…