When I suggested a department chair in 2019 that they may consider opening a blog so that all students and faculty in the department can write together (which sounded exciting to me), he expressed a concern that some readers might remember authors’ mistakes in the posts. Considering the reputation of the whole department, that is a valid concern. However, to err is human (and to forgive is divine). Everyone makes mistakes. I often update my old posts to correct mistakes or write a note saying certain information is oudated …