Hot Dog Time Machine: Street cart in TriBeCa has 1970s stuck all over it

One of the joys of living is New York is the magic of street serendipity. You never know what sort of curious artifact you might find on the sidewalk that provokes your imagination. We can all be — if we pay enough attention — urban archaeologists.

I had one of those moments this week, when this hot-dog cart caught my attention. Well, it wasn’t the hot-d…