How pop culture and social media are changing how people talk

Judy Woodruff has been speaking to a host of experts about the country's 250th anniversary for her "In Pursuit of Happiness" podcast. That includes conversations about the roles satire, national parks and music have played in our history. The latest episode looks at how American English evolved. As it turns out, there's one word that reveals a lot about the way we speak. PBS News is supported by -…