All Things Radio Podcast 50 for March 11, 2010. posted on March 11, 2010Jeff Bennett is here with the latest news from the world of radio. Jenny Sparks has the latest call-letter and format changes. Radio news Bill Sparks is back with another market scope from Chicago Illinois. The Score US 99.5 V-103 890 AM WLS Newsradio 780 WGN Radio 720/ 94.7 WLS-FM Listen to All Things Radio Podcast 50 for March 11, 2010.