Sen Rand Paul (R-KY), Anthony Fauci square off again on 'gain of function' research in Wuhan lab

Get your popcorn ready! Senator Rand Paul (R-KY) and Dr. Anthony Fauci go toe-to-toe once again on the disputed funding by the National Institutes of Health for 'gain of function' research in China's notorious Wuhan laboratory. Fauci loses his cool, telling Paul - on the record - 'you don't know what you're talking about.