Radio station

Detroit Stations
WWJ 950 AM - America's second oldest mass-audience broadcaster

WDET 101.9 FM - Detroit public radio - http://www.wdetfm.org/

WHFR 89.3 FM - Henry Ford Community College Radio - http://www.whfr.fm/

WHPR 88.1 FM and TV Channel 33 - another low-power local broadcaster - http://whprtv33.com/

Canadian Stations
Since Detroit is on the border with Canada, you can also pick up some good stations from there.

CJAM 91.5 FM - The University of Windsor - http://www.cjam.ca/

CBC Radio One 1550 AM - http://www.cbc.ca/programguide/schedule/dailySchedule.jsp?network=CBC%20Radio%20One
 * Especially the acclaimed Ideas program. - http://www.cbc.ca/programguide/program/index.jsp?program=Ideas&location=Windsor,%20Ontario

CBEF 540 AM - Radio Canada -- On en parle.