The evolution of 'Late Night' from Johnny Carson

Johnny Carson is considered by many as the golden standard for what late night talk shows should be. Carson’s balance of comedy and politics and his style of hosting a top-rated late night comedy show is seen as very different from today's late-night stars, including Fallon, Kimmel and Colbert.

Curtis Jackson speaks with Brian Calfano, Spectrum News 1 contributor and journalism professor at the University of Cincinnati, to discuss Calfano’s latest research effort, an in-depth look at Carson’s work, giving a picture of how the nature of late night’s interface with political topics has changed in 50 years.