I have submitted a formal Comment to the Bulletin of the American Meteorological Society (BAMS), which I originally commented on in my weblog on August 6 2009 (see).
Pielke Sr., R.A., 2009: Comment on “James Hurrell, Gerald A. Meehl, David Bader, Thomas L. Delworth, Ben Kirtman, and Bruce Wielicki, 2009: A Unified Modeling Approach to Climate System Prediction. Bull. Amer. Meteor. Soc., in press”, Bull. Amer. Meteor. Soc., submitted.
I will post the Reply when available.