Thursday’s ad is for Coors, from 1977 — the year I graduated from high school. Showing a pilsner glass by a mountain stream, I love their suggestion. “Refrigerate to retain brewery fresh flavor.” Did people really need to be told that? I know Coors’ has been cold-obsessed for a long time, but were there people who were unaware that beer should be stored cool? Certainly we knew it in our household. My parents had a second refrigerator in the basement that always had beer in it, along with overflow from the upstairs kitchen refrigerator.