Author Lisa Napoli on CNN's birth, the creation of the 24-hour news cycle, and the rise of 'news junkies'

In the new book "Up All Night: Ted Turner, CNN and the Birth of 24-Hour News," reporter Lisa Napoli recounts how Ted Turner's vision sparked a media revolution. Napoli speaks with Brian Stelter ahead of CNN's 40th birthday on June 1. She recalls her own internship at the fledging channel in 1981; the forgotten figures who made the channel into what it is today; and the international reach of CNN.To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices