Economics podcasts at EconTalk
EconTalk contains "Economics podcasts for daily life." Each podcast contains a discussion between the host professor Russ Roberts and a guest economist on his/her area of research. The topics are usually quite interesting and are also accessible to non-economists. Here is a sample of what is available: the Economics of Medical Malpractice, Ticket Scalping and Opportunity Cost, an Interview with Gary Becker, the Economics of Inheritance.