I subscribe to many podcasts plus download the CBC at night and listen to the World At 6 on the way to and from work. It is a one hour drive and this keeps me awake 🙂 You can only listen to the same songs so many times and the radio programs are usually not much. There is Voice of America, but it plays lousy music and the news programs are too short.
Interesting specific Podcasts are:
On another topic is: Sufis in Syria Reach Out to the West