Whither the Precautionary Principle?

Over the last half century or so, regulators and activists have regularly invoked the precautionary principle versus industrial and commercial concerns: Will this new car wash ruin the nesting grounds of the Great Purple-Crested Bandersnatch? Could construction of that pipeline conceivably pollute a river? Might the noise from a proposed refinery disturb the sleep of some nearby Mrs. Nimby? Then came COVID-19.

Will We Learn COVID-19’s Most Important Lesson?

On February 29th, US Surgeon General Jerome Adams took to Twitter to admonish Americans:  “Seriously people — STOP BUYING MASKS! They are NOT effective in preventing general public from catching #Coronavirus …” A little over a month later, Adams finally got around to asking the Centers for Disease Control if perhaps he’d been talking through his hat when talking through a mask might have been smarter.