WRWD-FM, 107.3 in the Hudson Valley in New York, is currently hosting a poll on its web site asking "With recent comments made by the Dixie Chicks, do you still want to hear them on the radio?" Currently, No is winning at 62.95%
If you'd like to put a progressive voice in the ear of a large suburban audience, please visit http://www.wrwdfm.com/... and get the Chicks back on the air!
Updated to prepend "Freep a poll," to the title!
Updated again, to add two more links to polls mentioned in comments:
http://www.thefox1049.com/
http://www.kfin.com