Clutching to her chest a framed certificate that was just presented to her, Josefa Marín approached the podium to speak as the crowd applauded. It was a sunny Saturday in early March, and Marín had never experienced a day like this one. A can collector for 30 years, Marín was being introduced as the manager of a newly opened can redemption center in the East New York section of Brooklyn. Being the star attraction at a grand opening ceremony that attracted local politicians and reporters wa...
