Audio for this story from All Things Considered will be available at approx. 7:00 p.m. ET
October 12, 2012
Data from the consumer research group Experian Marketing Services has determined that Philadelphia leads the country in the per capita consumption of sweatshirts and sweatpants. Robert Siegel and Audie Cornish explore the reasons why รข" is it the weather, college students, Rocky Balboa?