For instance, if Condi turned and said "nice day", most folks would take her words at face value and assume she meant 'nice day'. Clark would ignore the words, look at her expression or her eyebrows, or whatever and "read" bizarre false meaning into her comment.
Clark might say, "she said 'nice day', but I could tell she wanted to tell me she didn't understand her job". Or that "she wanted to fly" or whatever. In other words, Clark doesn't tell us about Condi, he tells us his own projections.
Based on the fact of the 60 min expose, the book being (amazingly) available for the hearing folks, the use of it as the "bible" for the commission and the early release of the book, I think we can infer that this was a setup. Now, let's see who was screaming for an independent commission.