On The Gist, racy names for missiles. In the interview, Chris Molanphy is here to talk about the Billboard hits of 1979, disco’s last hurrah, and how the year prepares for the coming wave of pop. Molanphy is the host of Hit Parade and writes the column Why Is This Song No. 1? In the Spiel, Amazon leaving New York City is a big loss but people don’t seem to realize it. Learn more about your ad choices. Visit podcastchoices.com/adchoices