Since January, President Donald Trump has alternately minimized the risks of the coronavirus, oversold his administration’s response and exaggerated possible treatments and vaccines, all while lashing out against experts who dare buck the line of the moment.Friday was par for the course, with a Rose Garden announcement of “Operation Warp Speed” — uniting the Departments of Health and Human Services and Defense to produce a vaccine as early as year’s end. Good luck, good scientists, but beware the hypeman’s promises.This press conference came, surely coincidentally, the day after Dr. Rick Brigh...
