When Did We Start Saying "Wicked Pissah"?

First up, GBH's Esteban Bustillos joins Jonathan Tannenwald from the Philadelphia Inquirer to compare Boston’s readiness against Philadelphia. Then, We’re  learning about this history of prom with Amy L. Best, sociologist & author of the book “Prom Night:  Youth, Schools, and Popular Culture.” Lastly,  Edgar answers some etymological curiosity questions with Grant Barrett and Martha Barnette from A Way With Words.