How you order brisket at a Texas barbecue joint says a lot about you

Consider the humble soft drink. A well-known 1996 study by linguists at the University of Wisconsin inspired a now-famous map illustrating the regional divide: in the Northwest and Midwest, people say “pop”; on the East and West Coasts, it’s “soda”; and across the South, it’s simply “coke” – regardless of the brand.