"va "variants." professor, a pleasure. thank you, sir. why would the biden administration speed it up just to start another one? >> there is a lot of noise about the potential origin of this virus. the simple answer is we don't know. but i can give you a little bit of insight. this is the seventh, actually the eighth coronavirus that has entered the human population. four have been around for at least 60 years. and just in the last few years we had one that came in, sars, we know it came in from a cave in south asia, south china. there was another one, mers. it came from a cave in egypt but it was found first in saudi arabia a thousand miles away. it took about five years to find the origin on the sars virus. rather than using intelligence services, i think we get a lot