Recently the opportunity was put before me to have a presence in an on-campus teaching setting. I thought about it, I really did. I imagined getting to know students, the environment I’d try to foster, the potential to invest in young people. I even went so far as to consider whether I’d allow music in the lab and if I’d show up with cookies — I’m truly embarrassed now for disclosing that last bit.   And then, before I had…