With 850 stations, and multiple station ownerships in single markets, Clear Channel is the largest radio station group owner in the United States, both by number of stations and by revenue. According to BIA Financial Network, Clear Channel Media & Entertainment recorded more than $3.5 billion in revenues in as of 2005, $1 billion more than the number-two group owner, CBS Radio. Diverse opinions silenced in many markets by industry deregulation. Radio stations drop Rush Limbaugh; Clear Channel syndicator defends host in Sandra Fluke 'slut' controversy... Bet you won't see Clear Channel stations defecting Rush...By the way did you know that Clear Channel, through its subsidiary, Premiere Radio Networks, [Beck, Hannity, Limbaugh etc] auditions and hires actors to call in to their talk radio shows and pose as listeners in order to provide shows, carried by Clear Channel and other broadcasters, with planned content in the form of stories and opinions. The custom caller service provided by Premiere Radio assures its clients they won't hear the same actor's voice for at least two months in order to appear authentic to listeners who might otherwise catch on. Broadcasting today is NOT your Grandfather's radio station anymore.