Leo Laporte is the best known technology broadcaster in the US. His radio show airs nationally every Saturday and Sunday from 2-5p Eastern on XM channel 158 and many local talk radio stations. Leo also produces the world's most popular technology podcasts on TWiT.tv. He streams live video of all his shows here.
The video at Stickam is great--not listening to the sound, though. I'm streaming the sound from KFI and watching the video here. Great find, Leo!
Delfs International (http://mdelfs.tumblr.com)