Today on Decoder, I’m talking with Peter Kafka, who is chief correspondent at Business Insider and host of Channels, a podcast about the media industry. And it’s a big week for the media industry — Comcast just announced that it’s splitting itself up, into the Comcast broadband company and the NBCUniversal entertainment company. That’s after the media giant spun out its cable assets like CNBC and MS.NOW into a new company called Versant earlier this year. A quick note, by the way — longtime Verg