Sen. Lindsey Graham (R-SC) questions Dr. Francis Collins, Director of the NIH, and Dr. Anthony Fauci, about developing the Covid-19 vaccine and the origins of the virus during a Senate Appropriations Committee hearing. Stay Connected Forbes on Facebook: http://fb.com/forbes Forbes Video on Twitter: http://www.twitter.com/forbes Forbes Video on Instagram: http://instagram.com/forbes More From Forbes: http://forbes.com