LETTER from RICHARD STERNBERG Stay Vigilant! But There’s Actually Some Good News This marks the 50th column I’ve written in this series. It’s hard to believe on many levels: How long we have been restricted or locked down, that I am still doing this weekly when we figured we would need to do this for at best a few months, that there remain new things to write about (in fact, every week brings new information), that my publisher makes me…