Talkers Magazine Online
http://www.talkers.com/talkaud.html
These folks did an interesting study and it's worth checking out. The study has interesting breakdowns of news/talk radio listeners - their political leanings, etc. None of the results are that shocking but it's still interesting. They also give a rundown of the most listened to hosts.
Am I the only one who is getting sick and tired of hearing the John Kerry sound byte: "I will fight a more sensitive war?"