A little more interesting coverage on index or passive investing. click here.
I am linking to this video because it contains some of the bad arguments against indexing and also some good responses.
So watch the video, and listen to Henry Blodget. And whatever you do, don’t listen to the guy with the buzz cut and the glasses. If you listen carefully, you realize he basically isn’t saying anything substantive, and Blodget has some great counters to his nonsense.