http://www.radiosurvivor.com/2015/03/06/why-rush-limbaugh-is-dragging-down-am-talk-radio/
Orly?
25 years later, Rush is still to blame for destroying AM radio.
This is a widely held belief of the bitter clingers holding onto their 45 RPM record players and worshiping John Lennon.
More background
http://streamingradioguide.com/startingover/?p=11401
http://streamingradioguide.com/startingover/?p=3180