Happy 50th to all the tribbles—prrr!—with a witness to their longevity

So, it’s been 50 years since “The Trouble With Tribbles” first purred and multiplied their way across a TV screen—and no, I was not there to see it.* I was a rerun baby, remember? It’s remarkable as an outing of original Trek, or any entry of the successors, to show how Star Trek’s classic crew-and-mission format could do comedy (as …