Katie Couric's Notebook
http://westwoodone.com/pg/jsp/katiecouric/audio.jsp;jsessionid=BAB5CDECFD52C1DEDC6BB854C7B9324A

iTunesU
http://www.apple.com/education/products/ipod/itunes_u.html

http://itunes.berkeley.edu/

San Diego Mesa College
http://homework.sdmesa.edu/dgergens/podcasts/view_podcast.mov