I’m old enough to recall cutting school in the ’80s and catching a television ad endorsed by on-the-wane celebrity Sally Struthers, as she hawked correspondence courses in such fields of study as “computer programming,” “gun repair” and “high school” (which, upon reflection, reads like a prescription for “Columbine,” but let’s move on and spare Ms.…

I’m old enough to recall cutting school in the ’80s and catching a television ad endorsed by on-the-wane celebrity Sally Struthers, as she hawked correspondence courses in such fields of study as “computer programming,” “gun repair” and “high school” (which, upon reflection, reads like a prescription for “Columbine,” but let’s move on and spare Ms.…