Behind the story: Hunting for the mystique behind ‘Beep Vaporú’

Every day I search for stories big and small about Latinos in Los Angeles.

I find tales everywhere — in swap meets, parks, panaderias, buses and schools.

The Column One I wrote about Vicks VapoRub came from a source I know quite well: my big Salvadoran family.

Growing up, my mom and tias each had…