White House coronavirus advisor Dr. Anthony Fauci debunked online theories promoted by President Donald Trump that the Centers for Disease Control and Prevention has changed its guidance for tallying coronavirus deaths, showing a fraction of total Covid-19 fatalities. On Sunday, Twitter removed a post retweeted by Trump that claimed the CDC had “quietly” updated its guidance to indicate only 6% of the country’s coronavirus death toll — roughly 9,000 deaths — was actually caused by the virus, according to a CNN report. The tweet said the remaining 94% had “other serious illnesses.” Fauci told the ABC program “Good Morning America”...