NBC’s Must See TV with Warren Littlefield, former NBC executive

Dive into the empire that Cheers built. Whether it was The Cosby Show, Seinfeld, Frasier, or Friends, Warren Littlefield oversaw all of it. NBC was a Thursday night powerhouse in the 80s and 90s. But now? That's all pretty much crumbled. Hear an extended interview with a real-life television executive. His book is called Top of the Rock: Inside the Rise and Fall of Must See TV. Plus, Oliver Wang explains how a forgotten Al Green record helped create a new kind of soul music.