Fred Kaplan on the ISG:

So many careers and reputations have been ravaged by Iraq. Even James Baker, the canniest of operators, has now met his Waterloo.
The report of the Iraq Study Group—which Baker co-chaired with Lee Hamilton, that other Wise Man-wannabe—was doomed to fall short of expectations. But who knew it would amount to such an amorphous, equivocal grab bag.
Its outline of a new “diplomatic offensive” is so disjointed that even a willing president would be left puzzled by what precisely to do, and George W. Bush seems far from willing.
Its scheme for a new military strategy contains so many loopholes that a president could cite its language to justify doing anything (or nothing)