Fauci, the former director of the National Institute of Allergy and Infectious Diseases who deeply influenced the restrictive guidelines during the Covid pandemic, had no choice. The good doctor had to invoke his Fifth Amendment right not to incriminate himself. More than an hour into the proceedings, Senator Bernie Moreno, a Republican from Ohio, exposed the stone wall strategy. Fauci responded with the line he must have repeated more than a hundred times in the hearing. Moreno went in for the kill.