I think part of the discussion on what kind of external review should exist is really focused on a more fundamental question—namely, what kind of a system are you going to create? How do you get the credibility in the system, and how do you inspire confidence in the system?
I think that's part of a general debate that has to be held more globally than looking at each specific step. I go back to the fact that, in terms of our experiences, it's the principles that are important.