Opinion and guideline based on what you know at a given time. as a scientist, as a health official, when those data change, when you get more information, it's essential that you change your position because you got to be guided by the science and the current data. that issue with masks is people want to fire me or put me in jail for what i've done. namely, follow the science. i could go the next half an hour going through each and every point that they made. >> i know. >> it's preposterous, chuck, totally preposterous. >> this is an email you sent on february 27th. you happen to send it to mo...