Circuit City, From "Good to Great" to Cardiac Arrest

How can you go from one of eleven great US companies identified by Jim Collins in his book, Good to Great: Why Some Companies Make the Leap... and Others Don't, to bankruptcy?

After reading and studying the book, I am just a little more than curious as to what happening to Circuit City. I just watched Charlie Rose's show from August 25, 2007 with author Jim Collins.

Clearly, Circuit City had the secret or did they?