Fauci and Rand Paul have terse exchange: 'You do not know what you are talking about'

1:15pm PDT - July 20th, 2021    rand paul - CNN

Dr. Anthony Fauci and Republican Sen. Rand Paul of Kentucky erupted in a contentious debate over the origins of the coronavirus during a hearing Tuesday on Capitol Hill, prompting the nation's top infectious disease expert to once again rebuke Paul.