There is a Philosophy radio show called "Philosophy Talk". I often listen to podcasts of their programs after they've aired, available on their website. Not long ago, I emailed them and suggested they cover Stoicism and they said that it would be a good idea.
Just today, I checked back on their site and, by coincidence, they are doing a show on Stoicism tomorrow (July 25).
Instead of hearing a recording, I think I'm going to see if there is any possibility of hearing it on the radio live in my area (not sure). In any case, I just wanted to let everyone know. Philosophy Talk's website is at...
Update: Philosophy Talk is aired live on KALW 91.7 Tuesdays at noon (Pacific time). If you don't get this station you can hear a live audiostream of the program here: