From the article: "My only other options are to teach remotely or to seek a medical exemption that would require me to wear a mask, remain socially distanced f

From the article: "My only other options are to teach remotely or to seek a medical exemption that would require me to wear a mask, remain socially distanced from faculty or students during, say, office hours, and submit to weekly testing. It would be impossible for me to perform my duties to the best of my ability under such conditions." There's a lot of discussion, but honestly: I don't think that meets the definition of the word "impossible."