Sampson's going to burn Gonzales

US News reports that on Thursday when former Gonzales chief of staff Kyle Sampson tesitifies to Congress, he's going to burn Gonzales.

But Sampson will set off some fireworks by contradicting a key assurance that Gonzales made to Congress and the American public last Tuesday that he was not in the loop during the long deliberations leading up to the firings.

Should I be surprised that this contradicts the interview Gonzales gave NBC this very day?

(Maybe that's why Sampson is telegraphing his testimony.)