WASHINGTON - In a nearly five-minute long video posted Wednesday, President Donald Trump said his COVID-19 diagnosis was “a blessing in disguise” and promised to make an experimental antibody drug “free” for all Americans that he credited for his improved condition.The president, who received an experimental antibody cocktail from Regeneron Pharmaceuticals during his three-day stay at Walter Reed National Military Medical Center, called the drug “a cure.”“To me, it wasn’t therapeutic, it just made me better.