I am a big fan of Dennis Prager, and I just found his video series, Prager University, on youtube. He has made a bunch of 5 minute videos where he discusses various topics. For an example, I present: Are people basically good?
http://www.youtube.com/watch?v=qWzj78fSm-4&feature=channel
http://www.youtube.com/watch?v=qWzj78fSm-4&feature=channel