We definitely need to be tracing the contacts of people who have tested positive for coronavirus, so that we can know who else has been exposed. This is a herculean task, but we have to do it. And there are some ideas and practices that can make this easier. ...

(Reprinted from The Incidental Economist) Sometimes I write pieces and can’t place them. I usually save them for later. In this case, I feel strongly enough about it that I’m posting it here. It won’t get the eyeballs it might at a major media site, but it’s more important to...