otherwise? in our experience with the coronavirus in its various mutations thus far? i have all of these questions. you may have some of these questions as well. i am prepared to be talked out of the feeling in my stomach care about this variant but i ve got these questions to ask before i m going to let that happen. luckily, i m very pleased to say, joining us now is doctor david he is a former fda commissioner, he is not the chief science officer for the white house covid-19 response doctor kessler is always on a tough time with you thank you for being here. tonight particularly on a night when i think many americans have basic questions about this. fire way rachel, i m ready to answer all of your questions. all right, thank you. let me just ask you the first question i ask. we have had it described to us, this new variant as having a very large number of mutations. a large number of mutations specifically affecting the spike protein, which has been a real target for the develo