Dear Editor: I was glad to see Katherine Owre’s reply (Aug. 2 Observer) to my letter of July 26. I sometimes wonder if anyone reads anymore. The Zelenko/Hydroxychloroquine (HCQ) controversy is an interesting study of what happens when “out of the box” thinking runs up against Establishment SOP. Standard operating procedure is a collection of rules and habits which allow people of limited intellect to nevertheless function productively in society, a good thing. However, SOP rarely if ever advances science or society. Advances are made by “out of the box” thinkers, whether John Lewis or Christopher Columbus. Fiercely held SOP...