Scott D. Pierce: I found an unexpected reminder why everybody liked Luke Perry. Including me.

I was recently going through my digital recorder, looking for an interview, when I heard a voice that caught me by surprise. It was the late Luke Perry, talking about “Riverdale.” And I was startled to come upon the recording, 5½ months after his sudden, unexpected death.It was a brief interview at a CW press function a couple of years ago, shortly before the second-season premiere of the series. What comes through quickly is just how enthusiastic Perry was about the show and