In Podcast 28, Bill Sparks and Michael Lauf talk about the things that prevent radio streams from working at any given time. Jeff Bennett gives us his reliable coverage of this weeks radio industry news. Jennifer Sparks gives us format and call letter changes. We hear Part I of a series on the first 66 years of 66 WNBC in the Big Apple. And Bill Sparks gives us a sample of morning drive radio at WGN-AM 720 in Chicago Illinois.